| ISO week number, Monday to Sunday | Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|---|
| 40 | |||||||
| 41 | |||||||
| 42 | |||||||
| 43 | |||||||
| 44 |
Holiday or observanceWeekend
Holidays in October
- Columbus DayOct 14Mon, Oct 14 · Federal
- HalloweenOct 31Thu, Oct 31 · Observance
Federal holidays from 5 U.S.C. §6103, plus widely kept US observances. 4 religious dates fall in October 2030 as well — see the calendar with every holiday.
Moon phases
First quarter
Thu, Oct 3
11:56 PM ET
Full moon
Fri, Oct 11
6:46 AM ET
Last quarter
Sat, Oct 19
10:50 AM ET
New moon
Sat, Oct 26
4:16 PM ET
Times in US Eastern. Computed from Meeus, Astronomical Algorithms, ch. 49.
The moon through October
- 1
- 3
- 5
- 7
- 9
- 11
- 13
- 15
- 17
- 19
- 21
- 23
- 25
- 27
- 29
- 31
About October 2030
October 2030 has 31 days. It begins on a Tuesday and ends on a Thursday, which gives the month five Tuesdays, Wednesdays and Thursdays — and only four of every other weekday. Of its 23 weekdays, 1 is a federal holiday, leaving 22 working days.