Yahrzeit Calculator
Plan Hebrew memorial anniversary dates and preceding sunset evenings, with an explicit Adar custom and calendar export.
Starts with an editable example. Replace the dates and rules with your own.
Your calculation
Ready when you are
Choose your dates.
Select your counting rules and calculate.
Calculation details
| Step | Value |
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How to use this calculator
Enter the date of death, before/after sunset, first future Hebrew year and number of years. Select Adar I, Adar II or both for an ordinary-year Adar date.
Cheshvan and Kislev day-30 rules depend on the first anniversary. The default follows Hebcal's Ashkenazic convention. Other community customs may differ; confirm the applicable observance.
A worked example
March 14, 2001 before sunset is 19 Adar 5761. Under the default memorial convention, its 5765 anniversary is February 28, 2005, in Adar I.
What does the calendar download mark?
It marks the daylight civil date. Each event description identifies the preceding sunset evening; no sunset clock time or reminder is invented.
Further reading: Hebcal memorial-date conventions. Your entered rules determine this result.
Which calendar and years are supported?
Gregorian input coverage is 1900-2100 unless the method states a narrower range. Results explain calendar conventions and local date boundaries. Astronomy uses a level horizon at sea level. CSV, print and copy retain the result rules; calendar files contain only calculated events. Nothing is scheduled automatically.
What happens to my dates?
Calculations run on your device. Saving a calculation is optional and keeps it in this browser. A setup link contains the dates and settings you entered; anyone with the link can read them. Use one tab per saved calculator. Clear saved data from Privacy & settings.