Date and time notation in the United Kingdom

Date and time notation in the United Kingdom []
Full date17 March 2026
All-numeric date17/03/26
17/03/2026
2026-03-17
Time17:48
5:48 pm

Date and time notation in the United Kingdom records the date using the day–month–year format (31 December 1999, 31/12/99 or 31/12/1999). The time can be written using either the 24-hour clock (23:59) or the 12-hour clock (11:59 p.m.), either with a colon or a full stop (11.59 p.m.).