What is Unix Timestamp 0?

The Unix epoch - the moment from which all Unix time is counted: midnight UTC on January 1, 1970. Negative timestamps go back further; positive ones forward.

Full Breakdown

Unix (seconds)0
Unix (milliseconds)0
ISO 8601 (UTC)1970-01-01T00:00:00Z
RFC 2822Thu, 01 Jan 1970 00:00:00 GMT
Human ReadableJanuary 1, 1970 12:00:00 AM UTC
Day of WeekThursday
Year1970

In Major Timezones

ZoneLocal Time
UTC1970-01-01T00:00:00Z
New York (ET)1969-12-31 19:00:00 EST
Los Angeles (PT)1969-12-31 16:00:00 PST
London1970-01-01 01:00:00 GMT+1
Paris1970-01-01 01:00:00 GMT+1
Tokyo1970-01-01 09:00:00 GMT+9
Sydney1970-01-01 10:00:00 GMT+10

Nearby Timestamps

OffsetTimestampISO 8601 (UTC)
1 year before -31536000 1969-01-01T00:00:00Z
1 week before -604800 1969-12-25T00:00:00Z
1 day before -86400 1969-12-31T00:00:00Z
1 day after 86400 1970-01-02T00:00:00Z
1 week after 604800 1970-01-08T00:00:00Z
1 year after 31536000 1971-01-01T00:00:00Z
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