How many weeks are left in 2026?
13 weeks and 2 days left in 2026
until Thursday, December 31, 2026
93 days in total · we're in ISO week 40 of 53.
Counted from today, Tuesday, September 29, 2026, in your time zone. Today isn't included; December 31 is.
Everything left in 2026
- Days
- 93 days
- Weeks
- 13 weeks and 2 days
- Fortnights
- 6 fortnights
- Working days
- 67 days
- 63 without US federal holidays
- Day of the year
- 272 of 365
- ISO week 40
How it's counted
We count the days after today up to and including December 31. Weeks are whole 7-day blocks of that total, with the leftover days shown separately; fortnights are whole 14-day blocks. Working days are Monday to Friday. Months left are the calendar months that haven't started yet — the decimal divides the remaining days by an average month of 30.44 days.
In Excel or Google Sheets
- Days left
=DATE(YEAR(TODAY()),12,31)-TODAY() - Working days left
=NETWORKDAYS(TODAY()+1,DATE(YEAR(TODAY()),12,31)) - Whole weeks left
=INT((DATE(YEAR(TODAY()),12,31)-TODAY())/7) - Months not yet started
=12-MONTH(TODAY())
Count the rest of the year
- Days left in 2026
- Weeks left in 2026
- Months left in 2026
- 2026 is 74.5% complete
- Week number
Future years
Frequently asked questions
How many weeks are left in 2026?
13 weeks and 2 days after today, until Thursday, December 31, 2026.
Is the current week counted?
Only the days after today are counted, and whole 7-day blocks become weeks — so a week that's partly over shows up in the leftover days.
How many weeks does 2026 have?
2026 has 52 weeks and 1 day (365 days). In ISO week numbering it has 53 weeks.
How do I count the weeks left in a spreadsheet?
=INT((DATE(YEAR(TODAY()),12,31)-TODAY())/7) gives the whole weeks; use MOD(…,7) on the same difference for the leftover days.