| Converting dates |
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| from calendar date to Julian day |
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| Julian day: | jdn |
| day of the week: | day of the week |
| dag of the year (day number): | day of the year |
| Easter date for the entered year: | Easter date |
| from Julian day to calendar date |
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| day with fraction | day with fraction |
| day | day |
| month | month |
| year | year |
| hour(s) | hours |
| minute(s) | minutes |
| second(s) | seconds |
| from day number and year to calendar date |
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| day: | day |
| month: | month |
| year: | year |
| from Gregorian (or Julian) calendar to Muslim calendar |
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| equivalent Julian day: | jdag |
| equivalent Julian month: | jmaand |
| equivalent Julian year: | jjaar |
| day: | day |
| month: | month |
| A.H.: | A.H. |
| from Muslim calendar to Gregorian (or Julian) calendar |
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| day: | day |
| month: | month |
| year: | year |
| determine Pesach (15 Nisan) in the Gregorian (or Julian) calendar |
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| day: | day |
| month: | month |
| Jewish or Hebrew year: | year |
| # months in this Jewish (Hebrew) year: | numberofmonths |
| add 163 days to know the beginning of the next Jewish year (1 Tishri) |
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