thumb|2016 is a leap year starting on Friday

A leap year starting on Friday is any year with 366 days (i.e. it includes 29 February) that begins on Friday 1 January and ends on Saturday 31 December. Its dominical letters hence are CB. The most recent year of such kind was 2016, and the next one will be 2044 in the Gregorian calendar, and 2000 and 2028 in the obsolete Julian calendar.

Any leap year that starts on Friday or Saturday has only one Friday the 13th.

Calendars

<!-- To avoid arbitrary years, use the most recent year of this type. 2016 was the most recent year of this type. -->

Applicable years

Gregorian Calendar

Leap years that begin on Friday, along with those starting on Sunday, occur most frequently: 15 of the 97 (≈ 15.46%) total leap years in a 400-year cycle of the Gregorian calendar. Thus, their overall occurrence is 3.75% (15 out of 400).

For this kind of year, the ISO week 10 (which begins March 7) and all subsequent ISO weeks occur later than in all other leap years.

{| class="wikitable"

|+ Gregorian leap years starting on Friday