Leap year starting on a sunday

This is the calendar for any leap year starting on a Sunday, January 1st. But it will end on a Monday, December 31st.

This is the only leap year with three occurrences of Friday the 13th, each three months apart in January, April, and July (common year starting on Thursdays share this characteristic). Uniquely, the instances of Friday the 13th are also 13 weeks apart from one another. They usually occur in 28 year intervals. Exceptions happen when there is no leap year on the beginning of a century.

a leap year is a year that contains 366 days instead of the usual 365. List of years that follow this calendar:

1st century-8, 36, 64, 92.

2nd century-120, 148, 176.

3rd century-204, 232, 260, 288.

4th century-316, 344, 372.

5th century-400, 428, 456, 484.

6th century-512, 540, 568, 596.

7th century-624, 652, 680.

8th century-708, 736, 764, 792.

9th century-820, 848, 876.

10th century-904, 932, 960, 988.

11th century-1016, 1044, 1072.

12th century-1100, 1128, 1156, 1184.

13th century-1212, 1240, 1268, 1296.

14th century-1308, 1336, 1364, 1392.

15th century-1404, 1432, 1460, 1488.

16th century-1528, 1556, 1584.

17th century-1612, 1640, 1668, 1696.

18th century-1708, 1736, 1764, 1792.

19th century-1804, 1832, 1860, 1888.

20th century-1928, 1956, 1984.