| ISO week number, Monday to Sunday | Sun | Mon | Tue | Wed | Thu | Fri | Sat |
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| 13 | |||||||
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| 18 |
Holiday or observanceWeekend
Holidays in April
- April Fools' DayApr 1Sat, Apr 1 · Observance
- Earth DayApr 22Sat, Apr 22 · Observance
Federal holidays from 5 U.S.C. §6103, plus widely kept US observances. 8 religious dates fall in April 2028 as well — see the calendar with every holiday.
Moon phases
First quarter
Sun, Apr 2
3:15 PM ET
Full moon
Sun, Apr 9
6:26 AM ET
Last quarter
Sun, Apr 16
12:36 PM ET
New moon
Mon, Apr 24
3:46 PM ET
Times in US Eastern. Computed from Meeus, Astronomical Algorithms, ch. 49.
The moon through April
- 1
- 3
- 5
- 7
- 9
- 11
- 13
- 15
- 17
- 19
- 21
- 23
- 25
- 27
- 29
- 30
About April 2028
April 2028 has 30 days. It begins on a Saturday and ends on a Sunday, which gives the month five Saturdays and Sundays — and only four of every other weekday. Of its 20 weekdays, none is a federal holiday, leaving 20 working days.