What's the Current Day Number?
Today Saturday, February 21, 2026 is ...
Day 52
Day of the year is a number between 1 and 365 (or 366 in leap years). January 1 is day 1.
After today 313 days are remaining in this year.
ISO-8601 ordinal date
ISO-8601 ordinal dates use the format YYYY-DDD, where DDD is the day number in the year. For today, that is 2026-052.
ISO day-of-year (1 to 371) note
Informationally, ISO week-date based day counts can span 1 to 371 in edge cases because they follow full ISO weeks, not only calendar-year day counts. Calendar day-of-year remains 1 to 365 for 2026.