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| | Dominical letter - Wikipedia, the free encyclopedia |
 | | The Romans were accustomed to divide the year into nundinæ, periods of eight days; and in their marble fasti, or calendars, of which numerous specimens remain, they used the first eight letters of the alphabet to mark the days of which each period was composed. |
 | | This is expressed by saying that a leap year has two Dominical Letters, the second being the letter which precedes that with which the year started. |
 | | The first of January, 1908, was a Wednesday, the first Sunday fell on 5 January, and E was the Dominical Letter, but as 1908 was a leap year, its Sundays after February came a day sooner than in a normal year and were Ds. |
| en.wikipedia.org /wiki/Dominical_letter (1482 words) |
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