Holidays in October 2027
| Date | Holiday | Where |
|---|---|---|
| Columbus Day | US federal |
Other key dates in October 2027
- : UK clocks go back (2 a.m.)
- : Halloween
Not public holidays. Easter-based days are worked out from Easter Sunday, 28 March 2027; Sunday-rule days from the calendar; solstice times from the US Naval Observatory. Clock changes from US law (15 U.S.C. §260a: 2 a.m. on the second Sunday of March and the first Sunday of November) and GOV.UK.
Questions and answers
How many working days are in October 2027?
20 in the US (weekdays minus federal holidays) and 21 in England and Wales (weekdays minus bank holidays). There are 21 weekdays in total.
What week numbers are in October 2027?
Using ISO weeks (Monday start), weeks 39 to 43.
When do the clocks go back in 2027?
In the UK on Sunday 31 October at 2 a.m., the last Sunday in October (GOV.UK). In the US a week later, on Sunday 7 November at 2 a.m. local time, the first Sunday in November (15 U.S.C. §260a). For that week New York is 4 hours behind London, not 5.