Hijri-Cal is a Perpetual Calendar which converts and displays the corresponding Islamic calendar dates for each day in the Gregorian calendar. You can navigate through the months and the date conversion is automatically computed and displayed in an easy to use dual-calendar.

IslamicTimer is a software package consisting of programs for generating Islamic (Hijri) Calendars, translating Gregorian/Julian dates to/from dates in the Islamic Calendar, computing prayer time schedules, and for determining the direction of the Qiblah. It also includes a prayers time reminder/notification service.

This program is Copyright © HP and is used here by permission. It was originally printed in the HP-67 Calendars Solution Book. This program was ported to the HP-41C by reading with the HP-41C card reader and the card reader may be required for operation of this program. This program was entered and uploaded by Tony Duell. Free download.

Moon Calculator (MoonCalc) is a DOS program which provides information relating to the position, age, phase, orientation, appearance and visibility of the moon for any given date, time and location on earth. It also provides the Julian Day Number, Magnetic Declination, time and direction of moonrise and moonset, interval between sunset and moonset, interval between sunrise and moonrise, date/time of astronomical new moon (conjunction), full moon, apogee and perigee and predicts the likelihood of visualising the young moon from a particular location. MoonCalc provides Hijri calendar data including location dependent Hijri date conversion using predicted crescent visibility. Data pertaining to solar and lunar eclipse in any year are also shown.

Description RamCal is a universal calendar that converts dates to the following calendars: Gregorian, Julian, Julian with Roman style (kalends, nones, ides), French Republican (as well as a simulation of the continuation of this calendar), Jewish, and Muslim. Note: After a 30-day trial period you cannot choose which calendars to display. The full version is $10.00.