2020 Unix Timestamps
Unix timestamps for the start of each month in 2020. January 1, 2020 00:00:00 UTC = 1577836800. 2020 is a leap year.
January 2020 (local)Jan 1, 2020, 12:00:00 AM UTC
1,577,836,800s
February 2020 (local)Feb 1, 2020, 12:00:00 AM UTC
1,580,515,200s
March 2020 (local)Mar 1, 2020, 12:00:00 AM UTC
1,583,020,800s
April 2020 (local)Apr 1, 2020, 12:00:00 AM UTC
1,585,699,200s
May 2020 (local)May 1, 2020, 12:00:00 AM UTC
1,588,291,200s
June 2020 (local)Jun 1, 2020, 12:00:00 AM UTC
1,590,969,600s
July 2020 (local)Jul 1, 2020, 12:00:00 AM UTC
1,593,561,600s
August 2020 (local)Aug 1, 2020, 12:00:00 AM UTC
1,596,240,000s
September 2020 (local)Sep 1, 2020, 12:00:00 AM UTC
1,598,918,400s
October 2020 (local)Oct 1, 2020, 12:00:00 AM UTC
1,601,510,400s
November 2020 (local)Nov 1, 2020, 12:00:00 AM UTC
1,604,188,800s
December 2020 (local)Dec 1, 2020, 12:00:00 AM UTC
1,606,780,800s
Start of 2021 (year-end boundary, local)Jan 1, 2021, 12:00:00 AM UTC
1,609,459,200s
2020 year boundaries
Start of 2020: 1577836800 (January 1, 2020 00:00:00 UTC). Start of 2021 (exclusive year-end boundary): 1609459200. 2020 is a leap year with 366 days.
Quarter and half-year boundaries
Quarter and half-year boundaries for 2020 in UTC. Use these for quarter-over-quarter reports, fiscal queries, and BI dashboards. All values are seconds since the Unix epoch.
- Q1 start (Jan 1): 2020-01-01 00:00:00 UTC = 1577836800
- Q2 start (Apr 1): 2020-04-01 00:00:00 UTC = 1585699200
- H1 end / Q3 start (Jul 1): 2020-07-01 00:00:00 UTC = 1593561600
- Q4 start (Oct 1): 2020-10-01 00:00:00 UTC = 1601510400
- Year end (Dec 31 23:59:59): 2020-12-31 23:59:59 UTC = 1609459199
- Next year start (Jan 1, 2021): 1609459200
Code: get the start and end of 2020 as epoch
One-liners for computing year boundary timestamps in popular languages. All return UTC seconds; multiply by 1000 for milliseconds.
- JavaScript: Math.floor(Date.UTC(2020, 0, 1) / 1000) // → 1577836800
- Python: int(datetime(2020, 1, 1, tzinfo=timezone.utc).timestamp()) // → 1577836800
- Go: time.Date(2020, 1, 1, 0, 0, 0, 0, time.UTC).Unix() // → 1577836800
- Java: ZonedDateTime.of(2020, 1, 1, 0, 0, 0, 0, ZoneOffset.UTC).toEpochSecond()
- PostgreSQL: SELECT EXTRACT(EPOCH FROM '2020-01-01 00:00:00 UTC'::timestamptz)::bigint
- SQL Server: DATEDIFF_BIG(SECOND, '1970-01-01', '2020-01-01')
- Shell (Linux): date -u -d '2020-01-01 00:00:00 UTC' +%s
Notable dates in 2020
Common reference moments in 2020 in UTC seconds. Useful for testing range queries, charting historical events, and verifying DST transitions.
- January 1, 2020 00:00 UTC (year start): 1577836800
- US DST starts — second Sunday of March 07:00 UTC: 1584255600 (02:00 EST → 03:00 EDT)
- US DST ends — first Sunday of November 06:00 UTC: 1604210400 (02:00 EDT → 01:00 EST)
- December 31, 2020 23:59:59 UTC (year end, inclusive): 1609459199
- Days in 2020: 366 (leap year — Feb 29 exists)
- ISO week 1 begins on the Monday of the week containing Jan 4, 2020