Unixtime converter

Use the following util to view, convert to and from any unix time to local time or UTC.

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Local time:
UTC time:

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Unixtime stamp formatted into different time standards:

Standard	Date
UTC
ISO 8601
ISO 2822
RFC 3339

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What is a unixtime, epoch time, or POSIX time stamp?

Unix time is the number of seconds that have elapsed since the Unix epoch, minus leap seconds.

The Unix epoch was set at 00:00:00 UTC on the 1st of January 1970, and each leap second has the same time as the second before it.

Every day is treated as if it contains exactly 86400 seconds, and because of this Unix time is not a true representation of UTC.

Since solar year comprises precisely of 365 days, 5 hours, 48 minutes, and 45.25 seconds the gregorian calendar has exactly 365.2425 days.

Human Description Time	Seconds
1 hour	3600 seconds
1 day	86400 seconds
1 week	604800 seconds
1 Month†	2629746 seconds
1 Year‡	31556952 seconds
† Equivalent to 30.436875 Gregorian days.
‡ Equivalent to 365.2425 Gregorian days.

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Year 2038 problem and the Epochalypse

Most legacy systems use 32-bits to represent unixtime which will become a problem at 03:14:07 on Tuesday, 19 January 2038 when this number representation will exceed its limited range (0 to 2^32=4294967296).

Before reaching this limit date it expected that most systems will have updated to a 64-bits representation or been decommissioned.

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