Date → week number

July 5, 2026: What week number?

Sunday, July 5, 2026ISO Week 272026-W27

ISO Week 27 runs from June 29, 2026 to July 5, 2026.

Mon29JuneTue30JuneWed1JulyThu2JulyFri3JulySat4JulySun5July
← 07-04-202607-06-2026 →

ISO vs US-style week numbers

The same date can have different week numbers

ISO weeks start on Monday. The simplified US-style system starts on Sunday and counts the week containing January 1 as Week 1.

ISO week2026-W27

June 29 – July 5, 2026

MonTueWedThuFriSatSun
Week 1 contains the first Thursday of the year.ISO guide →
US-style weekWeek 28

July 5–11, 2026

SunMonTueWedThuFriSat
Week 1 contains January 1.US-style guide →
ISO weekWeek 27
US-style weekWeek 28
WeekdaySunday
QuarterQ3
Day of year186 / 365
ISO weekday7 / 7

Date context

Sunday, July 5, 2026 is day 186 of 2026 and belongs to ISO Week 27.

This ISO week crosses a month boundary: it starts in June and ends in July.

Distance from today

How long ago was July 5, 2026?

Days93
Full weeks13
Remaining days2

July 5, 2026 is 93 days before today, equal to 13 full weeks and 2 days.