Q1 2045January – March
90 days · 62 working days · W52 (2044)–W13
Q2 2045April – June
91 days · 63 working days · W13–W26
Q3 2045July – September
92 days · 63 working days · W26–W39
Q4 2045October – December
92 days · 61 working days · W39–W52
2045 Quarters at a Glance
| Quarter | Dates | Days | Working days | ISO weeks | Federal holidays |
|---|---|---|---|---|---|
| Q1 | Sun, Jan 1 – Fri, Mar 31 | 90 | 62 | W52 (2044)–W13 | New Year's Day, MLK Day, Presidents' Day |
| Q2 | Sat, Apr 1 – Fri, Jun 30 | 91 | 63 | W13–W26 | Memorial Day, Juneteenth |
| Q3 | Sat, Jul 1 – Sat, Sep 30 | 92 | 63 | W26–W39 | Independence Day, Labor Day |
| Q4 | Sun, Oct 1 – Sun, Dec 31 | 92 | 61 | W39–W52 | Columbus Day, Veterans Day, Thanksgiving, Christmas Day |
2045 Quarterly Calendar FAQ
When does each quarter of 2045 start and end?
Q1 runs from Sunday, January 1, 2045 to Friday, March 31, 2045 (90 days); Q2 runs from Saturday, April 1, 2045 to Friday, June 30, 2045 (91 days); Q3 runs from Saturday, July 1, 2045 to Saturday, September 30, 2045 (92 days); Q4 runs from Sunday, October 1, 2045 to Sunday, December 31, 2045 (92 days).
How many working days are in each quarter of 2045?
Q1 has 62, Q2 has 63, Q3 has 63, Q4 has 61 US working days (Monday to Friday minus federal days off). Q2 has the most and Q4 the fewest.
Which ISO weeks fall in each 2045 quarter?
Q1 runs from W52 (2044) to W13, Q2 runs from W13 to W26, Q3 runs from W26 to W39, Q4 runs from W39 to W52. Weeks that start in one quarter and end in the next appear in both.
Are these calendar quarters or fiscal quarters?
They are calendar quarters. The US federal fiscal year starts on October 1, so October to December 2045 (calendar Q4) is Q1 of federal fiscal year 2046.
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