Week 45 of 2025 runs November 3, 2025 to November 9, 2025.
Week 45 starts on Monday, November 3, 2025 and ends on Sunday, November 9, 2025. It's the 307th day of the year, sits in Q4, and falls in November. By the end of this week, 313 of 365 days are gone, putting 2025 at 85.8%.
There are no public holidays this week, so all 5 weekdays are working days. Need a different week? Browse the full 2025 week calendar, or jump to this week's number.
Week 45 at a glance
The 7 days of week 45
Every date in week 45 of 2025, Monday through Sunday, with day-of-year numbers and events.
| Day | Date | Day no. | Type | Events |
|---|---|---|---|---|
| Monday | Day 307 | Weekday | ||
| Tuesday | Day 308 | Weekday | ||
| Wednesday | Day 309 | Weekday | ||
| Thursday | Day 310 | Weekday | ||
| Friday | Day 311 | Weekday | ||
| Saturday | Day 312 | Weekend | ||
| Sunday | Day 313 | Weekend |
What week 45 of 2025 means
ISO 8601 numbers weeks so every week starts on Monday and ends on Sunday. Week 1 is the one holding the year's first Thursday, which is why early January can land in week 52 or 53 of the previous year. Week 45 is one piece of that system.
In 2025, week 45 covers Nov 3 – Nov 9, 2025. That's November, deep in Q4. The same week number shifts by a day or two each year, so week 45 in 2026 won't share these exact dates. The table below shows how it moves.
Want to check a specific date instead of a week number? The week calculator converts any date to its ISO week. Curious how many weeks a year holds? The weeks in a year guide explains 52 versus 53. And the ISO week number page covers the standard end to end.
Holidays in week 45 of 2025
🇺🇸 United States
Election Day
Observance🇬🇧 United Kingdom
Guy Fawkes Night
ObservanceRemembrance Sunday
Observance🇦🇺 Australia
Melbourne Cup Day (VIC)
StateWeek 45 across years
The same ISO week number lands on different dates each year. Here's how week 45 shifts.
Week 45 of 2025: questions and answers
What days are in week 45 of 2025?
Week 45 of 2025 runs from November 3, 2025 (Monday) through November 9, 2025 (Sunday). It spans November.
What month is week 45 in 2025?
Week 45 of 2025 falls entirely in November 2025.
How many working days are in week 45 of 2025?
Week 45 of 2025 has 5 working days.
What quarter is week 45 of 2025 in?
Week 45 of 2025 is in Q4 (2025). The week starts on day 307 of 365.
What is ISO week 45?
ISO week 45 is defined by the ISO 8601 international standard. It begins on Monday, November 3, 2025, and ends on Sunday, November 9, 2025. It is week 87% through the ISO year 2025.