hpcalc.org - HP 48 Archive

HP 48 Time Programs

The first size listed is the downloaded file size and the second size listed is the size on the calculator.

There are 121 files totaling 711KB in this category.

ACC   (details) 48 ENG   2KB/2KB
ScreenshotShows a pretty analog clock and the calendar of the current month, preferably when you turn on your calculator. Same as CStart but doesn't start automatically.
By Wolfgang Rautenberg. 2000/01/30

ACS   (details) 48 ENG   2KB/2KB
ScreenshotShows a pretty analog clock and the calendar of the current month, preferably when you turn on your calculator.
By Wolfgang Rautenberg. 2000/01/30

Alarm Clock   (details) 48 ENG   15KB/4KB
ScreenshotAlarm clock with snooze, several alarm tones, and more.
By Brian Gosselin. 1999/07/09

Alarm Viewer   (details) 48 ENG   2KB/1KB
Lists all alarms and allows you to easily delete them.
By Chrstphre Campbell (TinyWanda). 1998/07/22

Alarma 1.0   (details) 48 ESP   2KB/1KB
ScreenshotSystem RPL program which makes it easy to set alarms.
By Miguel Angel Maiso. 1999/10/10

Analog Clock   (details) 48 ENG   2KB/2KB
ScreenshotThis is a working Analog Clock for the HP-GX/SX.
By Manuel Oetiker. 1997/08/21

Analog Clock   (details) 48 ENG   2KB/2KB
ScreenshotThis is another working analog clock for the 48GX/SX.
Author unknown. 1997/08/21

Analogic Clock   (details) 48 ENG   2KB/4KB
ScreenshotShows an analog clock with the hands continuously moving.
By Aldiney C. de Oliveira. 2017/07/27

Another Chess Clock   (details) 48 ENG   2KB/1KB
ScreenshotChess clock written in User RPL.
By Noochie. 1998/07/22

Atomic Clock   (details) 48 ENG   13KB/5KB
Using a modem connected to the serial port, synchronizes your calculator's clock to an atomic-clock based reference time.
By Paul Schlyter. 2017/06/24

AULA 2.0   (details) 48 POR   2KB/1KB
ScreenshotCounts down until a specified time, such as the end of class.
By Alexandre Erwin Ittner. 2017/07/23

BC (Big Clock)   (details) 48 ENG   25KB/35KB
ScreenshotUpdate of the below program. Includes ten clocks, such as a unique abacus clock, a gauge clock, several digital clocks, and an ordinary round analog clock.
By John Latala. 1998/12/17

BCLK   (details) 48 ENG   6KB/7KB
ScreenshotDisplays a digital clock, where the numbers roll up like a car's odometer.
By John Latala. 1998/04/20

BeatTime   (details) 48 ENG POR   2KB/1KB
Shows the current time in the new Swatch Internet Beat time.
By Tacio Philip Sansonovski. 1999/02/24

Big Clock   (details) 48 ENG   2KB/2KB
ScreenshotVery big digital clock with seconds.
By Abhijeet J. Singh. 2008/08/12

BigBigTimer   (details) 48 ENG   4KB/3KB
ScreenshotHuge digital clock written in System RPL that uses the Disney Print font.
By David Haguenauer. 1999/11/30

BROW   (details) 48 ENG   2KB/3KB
Allows you to browse and delete any alarms that have been set.
By Kyle Wadsten. 1999/09/30

BRSAL 2.1   (details) 48 ENG   5KB/3KB
Alarm Browser for the G series to view, set, and edit alarms faster and easier. Shows time remaining until next alarm.
By Todd Eckrich. 1998/05/09

Bus Scheduler   (details) 48 ENG   5KB/2KB
ScreenshotThis is a handy dandy bus schedule program with a fancy analog clock. Written in System RPL.
By Randy Elton Ding. 1997/08/21

CalClk   (details) 48 ENG FRA DEU   7KB/2KB
ScreenshotDisplays an analog clock and a calendar. Written in System RPL.
By Daniel Leuschner. 1998/10/25

CALDR   (details) 48 ENG   6KB/8KB
ScreenshotCalendar program which, among other things, draws a calendar.
By Philippe Colbach. 1998/04/22

Calendar   (details) 48 ENG   2KB/2KB
ScreenshotDisplays a calendar a month at a time.
By Sam Behashtei. 1998/09/25

Calendar   (details) 48 FRA   2KB/2KB
ScreenshotShows a calendar for the whole month, naming each day of the week.
Author unknown. 2017/07/30

Calendar 2.01   (details) 48 ENG   7KB/3KB
ScreenshotCalendar will display a calendar graphic for a specific year and month on the 48SX display.
By Kevin Jessup. 1998/05/03

Calendar Utilities   (details) 48 ENG   8KB/3KB
A set of commands useful for dealing with dates.
By Eric Bergman-Terrell. 2017/06/25

Calendario   (details) 48 POR   3KB/2KB
ScreenshotShows a calendar for the specified month and year. Only works in DD.MMYYYY mode.
By Adilânio Güntzel Graebin. 2017/07/29

Calendario Perpetuo 2.11   (details) 48 ESP   13KB/10KB
ScreenshotDraws a calendar for any month from January 1583 through December 9999. Written in assembly language, so it's VERY fast.
By Rubén Pérez. 2001/04/16

Calender   (details) 48 ENG   4KB/3KB
ScreenshotYet another program to print a calendar.
By Maurice David Castro. 2017/06/25

CALFR 0.02   (details) 49/50 48 ENG FRA   79KB/8KB
These programs allow you to translate dates from the French Revolutionary calendar to Gregorian or the other way.
By Jean Forget. 2012/12/25

Calgen   (details) 48 ENG   2KB/1KB
ScreenshotEnter the month and year on the stack and this program will generate a calendar.
By Eric B. Davis, Eddie Wilborne, and Pete M. Wilson. 1997/08/21

CALN   (details) 48 ENG   2KB/2KB
ScreenshotGenerates a calendar and optionally makes a hard copy of the calendar.
By Tom Huber. 1998/05/15

Chess Clock   (details) 48 ENG   3KB/1KB
ScreenshotChess clock written in System RPL.
By Mario de Lama. 1998/07/21

Chess Clock   (details) 48 ENG   2KB/1KB
ScreenshotA very simple chess clock.
By Matt Squires. 2017/06/24

Chess Timer   (details) 48 ENG   2KB/1KB
ScreenshotA chess timer, where you set the amount of time for each player to count down from.
By Jonathan Tomohiko Higa. 2017/06/24

Chronometer and Track 3.7   (details) 48 ENG   9KB/4KB
ScreenshotChronometer is a chronometer-style set of commands written in very fast internal, comprising of the most necessary routines for keeping track of time.
By Tom van Migem. 2017/08/04

Clk   (details) 48 ENG   10KB/7KB
ScreenshotKeeps the system clock as accurate as possible by synchronizing the clock with a time standard, and using the accumulated adjustments with the elapsed time to compute the necessary correction amount/rate.
By Hewlett-Packard. 1998/05/21

CLK   (details) 48 ENG   3KB/5KB
ScreenshotA beautiful, big digital clock with a screen dissolve effect. For the S series.
By Dave Marsh and Joe Ervin. 2008/08/14

ClkMenu   (details) 48 ENG   2KB/1KB
ScreenshotPuts a digital clock in your CST menu.
By Joseph K. Horn. 1999/09/22

Clock   (details) 48 ENG   3KB/1KB
ScreenshotClock is an analog clock.
By Matt Squires. 1997/08/21

Clock   (details) 48 ENG   2KB/1KB
ScreenshotThis is another analog clock.
By Jon Loschke. 1997/08/21

Clock in Header   (details) 48 ENG   2KB/1KB
Displays a tiny analog clock in the area above the stack where the digital clock would be.
By Nicola Catacchio. 1998/05/06

Countdown Clock   (details) 48 ENG   4KB/2KB
ScreenshotA countdown clock, but it'll count in either direction depending on whether the moment specified by the date/time is in the past or the future.
By John Latala. 1998/10/15

Countdown Timer   (details) 48 ENG   5KB/5KB
ScreenshotCountdown timer with large numbers.
By Steve Mauser. 1997/08/21

Countdown Timer 2   (details) 48 ENG   4KB/4KB
ScreenshotAnother countdown timer.
By Steve Mauser. 1997/08/21

Crono   (details) 48 ENG   2KB/1KB
ScreenshotStopwatch written in User RPL. Also includes a countdown timer.
By Paco Valenzuela. 1998/11/27

Cronometer   (details) 48 POR   2KB/3KB
ScreenshotContains several functions, including a chronometer by pressing A, a count-down timer with B, a periodic beep with C, an alarm with D, and a ticking clock with E.
By Sidney Pacheco. 2017/07/29

Cuckoo Clock 1.00   (details) 48 ENG   1KB/1KB
The program "cuckoos" on the hour.
By Tal. 2000/10/11

Darkroom Timer 0.9   (details) 48 ENG   4KB/5KB
ScreenshotSpecific timer for darkroom applications. Gives count down for total development times, gives intermediate alarms every 60 seconds for tank agitation, uses large digits, and more.
By Fabio Beretta. 2008/08/23

DAT48 1.0   (details) 48 ENG   3KB/1KB
ScreenshotThe program creates a variable containing the JMFD's mnemonics string for the specific date, either using the HP 48 command DATE or any other in the format, the string "An15Tue2.002" is stored in 'An15Tue2.002' variable.
By Juan Miguel Flores Díaz. 2002/01/17

DateLib   (details) 48 ENG   25KB/4KB
ScreenshotContains many date and time functions, including when Easter is, what the current GMT is, the Julian date, the week number, and more.
By Robert H. Parry. 1998/08/27

Day of Week   (details) 48 ENG   1KB/1KB
Tiny program which prints the date tagged with the day of the week, or gives a number representing the day of the week.
By John H Meyers. 1998/07/22

Daylight 1.0   (details) 48 ENG   90KB/1KB
Automatically adjusts the 48G/GX calculator's clock for daylight savings time as defined in the United States (prior to 2007). Includes PDF and PostScript documentation.
By Scott Hyde. 2005/06/15

Daylight Saving Time Program   (details) 48 ENG   3KB/1KB
A program to automatically adjust the HP 48 clock for Daylight Saving Time, using the pre-2007 United States rules.
By Lennart Börjeson. 2017/06/24

Daylight Savings Time 2.0   (details) 48 ENG   2KB/1KB
Automatically adjusts the HP 48 clock for Daylight Savings Time, using the 2007+ United States rules.
By Robert A Bellman, Jr.. 2011/07/24

Daylight Savings Time Library 1.1   (details) 48 ENG   2KB/1KB
Automatically adjusts the HP 48 clock for Daylight Savings Time, using the pre-2007 United States rules.
By Justin R. Cutler. 1999/06/15

DST Adjuster   (details) 48 ENG   7KB/1KB
A program to automatically adjust the HP 48 clock for Daylight Saving Time, using the pre-2007 United States rules.
By James H. Cloos and Eric Postpischil. 2017/06/24

Easter   (details) 48 ENG   2KB/1KB
This is an HP 48 routine to compute the date of Easter.
By James Gentles. 1997/08/21

EuroCalendar 1.3   (details) 48 ENG   4KB/3KB
ScreenshotA calendar in Euro format (time, date, days begin at Monday!). A library written in System RPL and assembly language, which makes it very fast!
By Silvo Srpcic (HPWebster). 2008/01/12

EVAL TIMER 2004-08-08   (details) 49/50 48 28 ENG   5KB/1KB
Timed evaluation of object, returning results in both ticks and seconds. Two programs (one for the 48 and 49 series, and the other for the 28 series) are provided as User RPL source code within the text file. These work correctly with any wordsize, and compensate for the time used by the program. Minor modification to match the individual calculator is required.
By James M. Prange. 2004/08/19

Fading Clock 1.5   (details) 48 ENG   3KB/2KB
ScreenshotDigital clock for the G series, with fading numbers. The library is written in System RPL and assembly language and uses the calculator's system clock which configures a system interrupt to activate every second.
By Silvo Srpcic (HPWebster). 2006/11/24

FatCal 2.01   (details) 49/50 48 ENG   7KB/1KB
ScreenshotFast and easy to use calendar program. Shows the current month or an arbitrary day. Commands to increase/decrease the month/year help for fast navigation.
By Mohamed Fatri and Peter Karp. 2002/07/07

FATCLK   (details) 48 ENG   3KB/2KB
ScreenshotA giant digital clock, taking nearly the entire screen, with the remainder used to show the date. For the S series only.
By Mohamed Fatri. 2017/08/02

Heroe's Chess Clock 1.0   (details) 48 ESP   1KB/1KB
Chess clock for the 48G.
By Heroe del Alikal. 2004/07/24

High Precision Timers   (details) 48 ENG   4KB/1KB
A System RPL program that serves as a high-precision timer for timing how long a program takes to execute. Also includes a User RPL version.
By John M. O'Donnell. 2017/06/24

HolyDays 2.0   (details) 48 ENG   5KB/12KB
ScreenshotGod's HolyDays. Compute the HolyDays from -3761 (3762BC) to 2499 AD. This show you the Annual HolyDays (Spring: Passover, Days of Unleavened Bread, Pentecost) and (Fall: Trumpets, Atonement, Feast of Tabernacles, Last Great Day).
By Mark Kuberski. 2021/05/23

Hour 3.1   (details) 48 ENG   5KB/3KB
ScreenshotHOUR displays a world map, with a single hour-zone highlighted and a "real time" clock. Includes source code.
By Davide Di Gennaro (HPPF). 2000/05/13

How Long   (details) 48 ENG   2KB/1KB
Shows a countdown of how long it is until a specified date and time.
By Thomas Pagel. 1998/05/06

HP Appointment 3.0   (details) 48 ENG   8KB/3KB
Improves HP 48 appointment alarms.
By Ludvik Krulik. 1997/08/21

HP Calendar 3.1   (details) 48 ENG   10KB/4KB
ScreenshotAnother calendar program.
By Ludvik Krulik. 1997/08/21

HP Todo 3.1   (details) 48 ENG   12KB/6KB
ScreenshotTodo manager.
By Ludvik Krulik. 1997/08/21

HP-CLOCK   (details) 48 FRA   4KB/2KB
ScreenshotShows a ticking clock with a fancy image around it.
By Cedric Walter. 2017/07/22

IDClock 1.0   (details) 48 ENG   3KB/1KB
Source code (only) of an interrupt-driven digital clock with big numbers. Meant to be an example of how to make use of calculator system clock activation interrupt. It enables low power consumption between screen updates. Program is small, because it does not contain IRQ handlers itself and does not mess with system time counters.
By Robert Tiismus. 2002/12/28

Impromptu Speech Timer   (details) 48 ENG   2KB/2KB
ScreenshotImpromptu speech timer designed for Forensics Improvisors.
By Vimal Bhalodia. 1998/06/11

International Calendar 0.1   (details) 48 ENG   4KB/1KB
ScreenshotThis is "Yet Another Calendar", but it is international. It displays the calendar according to the system flag of the HP by building a European or USA format calendar.
By Luis Morales Boisset. 1997/08/21

IR Chronograph 0.1   (details) 48 ENG   2KB/1KB
Uses the 48GX's infrared port to time laps of slot cars.
By p_pinhas@netc.pt. 1999/10/16

ISO-Gregorian Date Conversions 3.0   (details) 49/50 48 ENG   8KB/1KB
Converts Gregorian dates to ISO day-week-year format and back.
By Gerald Hillier. 2015/07/26

iTime   (details) 49/50 48 FRA   5KB/1KB
ScreenshotShows the current time using the Swatch iTime standard.
By François-Karim Laben. 2001/07/19

JTD   (details) 48 ENG   5KB/2KB
Julian date calendar.
By Kevin Jessup. 1997/08/21

kday 1.0   (details) 48 ENG   2KB/1KB
Displays the next multiple of 1000 days-old for a birthdate from the stack.
By Robert Simms. 2003/05/07

Machine Language Timer   (details) 48 ENG   4KB/1KB
Very fast and efficient timer for measuring the execution time of a program. For the S series only.
By Mika Heiskanen. 2017/06/24

Mayan Clock   (details) 48 ENG   1KB/1KB
ScreenshotUser RPL program which displays the time using Mayan numbers.
By Mauricio Sánchez Cruz. 2020/07/05

MegaClock 2.0   (details) 48 ENG   3KB/3KB
ScreenshotA very large ticking 24-hour clock. Written in User RPL.
Author unknown. 2017/07/16

Millennium   (details) 48 ENG   11KB/1KB
ScreenshotCounts how many days are left until New Year's Eve, 1999/2000. Hmmm...I wonder if this is vulnerable to the Y2K problem...
By Robert Fendt. 1998/09/30

Mini Calendar   (details) 48 ENG   8KB/3KB
ScreenshotSmall, multi-language calendar with Easter calculator. Includes source code.
By Davide Di Gennaro (HPPF). 2000/05/13

ML Calendar   (details) 48 ENG   4KB/1KB
Assembly language calendar display. For both S and G series, but only works with US dates.
By Jerry P.. 2008/08/19

MO and CALN   (details) 48 ENG   3KB/2KB
ScreenshotGenerates a calendar, showing a terse display of the month and year on the side.
By Eric B. Davis and Arthur Tateishi. 2017/06/25

Month   (details) 48 ENG   6KB/2KB
ScreenshotDisplays a calendar for the specified month, given a date in month.year format.
By John Olwoch. 2017/07/08

MYR   (details) 48 ENG   3KB/1KB
ScreenshotGiven a month and a year, displays a calendar for that month.
By Ronald B. Johnson. 2017/08/19

Noon   (details) 48 ENG   2KB/2KB
ScreenshotShows the world map, local date and time, and the noon meridian during day time in Asia, Europe and America.
By Wolfgang Rautenberg. 2000/02/01

NOW48 1.0   (details) 48 ENG   3KB/1KB
ScreenshotThe program creates a list (best viewed using JAVA LIB) containing the JMFD's preferred string for the actual date, storing it in the variable AHORA48 in the format: { { "Tuesday, January 15, 2002" } {19.3421 } }
By Juan Miguel Flores Díaz. 2002/01/17

Perpetual Calendar   (details) 48 ENG   3KB/2KB
ScreenshotDisplays a calendar for any month.
By Craig A. Finseth. 2017/06/25

Precise Execution Timers   (details) 48 ENG   3KB/1KB
Routines for both the S series and G series that purport to very precisely time how long it takes to evaluate something.
Author unknown. 2017/08/03

Program Timer   (details) 48 ENG   2KB/1KB
Times how long it takes to run a program.
By Joseph K. Horn. 1997/08/21

Real Time Cost Display   (details) 48 ENG   6KB/2KB
ScreenshotDisplays a running total of the cost of something in real time. Especially good for finding the cost of phone calls.
By John Latala. 1999/11/28

Reloj Unefa 1.0   (details) 48 ENG ESP   3KB/2KB
ScreenshotAnalog clock.
By Carlos De Matos. 2011/09/18

RPL Clock   (details) 48 ENG   2KB/1KB
ScreenshotDisplays a ticking digital clock on the screen.
By Maarten van den Hoek. 2017/06/24

Running Analog Clock   (details) 48 ENG   3KB/2KB
ScreenshotDisplays a running analog clock.
By Pete Stoppani. 2008/08/11

StopWatch   (details) 48 ENG   5KB/1KB
ScreenshotUser RPL stopwatch/chronograph. Works as a "background" stopwatch for timing multiple events all at once.
By Wayne Hayes. 1997/08/21

Stopwatch in RPL   (details) 48 ENG   4KB/1KB
User RPL stopwatch/chronograph.
By John H Meyers. 1998/07/19

SW-A and SW-B   (details) 48 ENG   7KB/3KB
ScreenshotAssembly language stopwatch/chronograph. Doesn't work in a covered port.
By Hewlett-Packard. 1998/07/19

SXWatch   (details) 48 ENG   2KB/1KB
ScreenshotAnother (and supposedly the best) analog clock.
By Steve VanDevender. 1997/08/21

Tic   (details) 48 ENG   1KB/1KB
ScreenshotDisplays a running clock.
By Jorge Costa. 1998/02/15

Ticking Clock 1.3   (details) 48 ENG   3KB/1KB
ScreenshotAnalog ticking clock for the G series. The program is written in System RPL and uses the calculator's system clock which configures a system interrupt to activate every second.
By Silvo Srpcic (HPWebster). 2006/11/24

Time Calculator Package 1.0   (details) 48 ENG   1KB/1KB
This is a bundle of two time calculating programs. One calculates one single time period, the other calculates multiple time periods. You must remember to into the times in military for the program to work correctly. i.e. 2 pm is 14.0000 (hh.mmss). Enter times a read from the clock, then program calculates the elapsed time into the decimal of time, i.e. 2:30 pm to 3:00 pm would be 0.5 hrs. These programs are useful in calculating time for work or laboratory application.
By Jason Cagle. 2002/11/14

Time EVAL   (details) 48 ENG   3KB/1KB
Times how long it takes to evaluate level one of the stack, for testing the speed of programs.
By Poul-Henning Kamp. 1998/05/06

TimeKeeper   (details) 48 ENG   6KB/2KB
Automatically adjusts time with an alarm every day to make up for the HP's inaccurate time computation.
By Eric Postpischil. 2017/08/03

Timer 1.0   (details) 48 ENG   3KB/1KB
ScreenshotAfter entering an amount of time to count down, this sets an alarm to alert you once the counter has reached zero.
By Ketil Kintel. 2017/08/16

Timex 1.0   (details) 48 ENG   2KB/3KB
ScreenshotA program that shows a big clock, written in User RPL.
By Valentin Alvarado. 2001/06/10

TIMR (Adler)   (details) 48 ENG   2KB/1KB
Another benchmark program to time how long it takes a program to run.
By Mark Adler. 2017/06/24

To2k   (details) 48 ENG   2KB/1KB
ScreenshotCounts down the time until 2000.
By Alexander Reif. 1998/11/10

TSYNC   (details) 48   2KB/1KB
Synchronizes the 48G series clock with the atomic clock. Requires a modem attached to the calculator.
By Dheera Venkatraman. 2001/02/06

Unix/Linux Epoch Time Converter   (details) 49/50 48 ENG   3KB/1KB
Simple routine for Unix epoch time conversions, converting to and from the calculator's date/time format and Unix timestmaps.
By Bill Duncan. 2018/01/07

Visual Clock   (details) 48 ENG   3KB/2KB
ScreenshotAnalog clock program.
By Steve VanDevender. 2008/08/22

Westminster Chimes   (details) 49/50 48 ENG   3KB/1KB
Simple User RPL program to turn your calculator into a cheap grandfather clock.
By Mike Belzinga. 2005/05/08

World Time 1.0   (details) 48 ENG   6KB/4KB
ScreenshotThis program shows time and date for different time zones.
By Pedro Rios. 2002/02/16

XCL48   (details) 48 ENG   1KB/3KB
ScreenshotPlaces a huge digital clock on the screen.
By Vincent Pierlot (HpKing). 2000/06/20

XTime 1.1   (details) 49/50 48 ENG   21KB/14KB
ScreenshotExtended Time, Date, Calendar and Astronomical routines for the HP 48G(X) and 49G(+). Part of these routines are ported from the invaluable HP-41C CALENDARS Users' Library Solutions. The astronomical routines include calculation of times of sunrise, transit and sunset, moon phases, and seasons.
By Marco J. de Vries. 2008/08/30

XXsecolo   (details) 48 ENG   2KB/1KB
ScreenshotCounts down the time until 2000. Italian version of the above program.
By Alexander Reif. 1998/11/13

Y2K   (details) 48 ENG   5KB/7KB
ScreenshotYet another program that counts down the time until 2000.
By Ernest Carpenter. 1999/03/08

Zclock48   (details) 48 ENG   2KB/1KB
Screenshot"Zoomed" clock, with a large time display and a smaller date display.
By Pierre-Yvan Beaurang (HpRip). 2000/06/20

Zone 1.0   (details) 48 ENG   21KB/3KB
ScreenshotWorld time clock library. Shows ticking clocks of seven cities at a time.
By Arnold Moy. 1998/06/19

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