PHP UNIX Timestamp Converter

Use our PHP time-stamp converter below for quick and easy conversion of PHP timestamps into readable date/time, you can also convert dates into PHP timestamps. Power users can also convert multiple timestamps at once.

PHP Timestamp(s)

Human Readable Date(s)

Timestamp Details since Jan 01 1970. (UTC)

1618147801 seconds.
26969130 minutes.
449486 hours.
18729 days.
2676 weeks.
669 months.
51 years.

Timestamp Translations

11-04-2021 13:30:01 pm (UTC)
2021-04-11T13:30:01+0000 in ISO 8601
Sun, 11 Apr 21 13:30:01 +0000 in RFC 822 & 1036
Sunday, 11-Apr-21 13:30:01 UTC in RFC 850
Sun, 11 Apr 2021 13:30:01 +0000 in RFC 1123 & 2822
2021-04-11T13:30:01+00:00 in RFC 3339 & W3C

Useful Formats

MySQL: 2021-04-11 13:30:01
US: 04/11/2021 13:30:01 or 04/11/2021 01:30:01pm
UK: 11-04-2021 13:30:01 or 11-04-2021 01:30:01pm

What Is A Timestamp?

PHP uses UNIX Timestamp’s for all of it’s date/time functions such as date(), time() and strtotime(). UNIX Timestamp is an integer of the current second since the Unix Epoch which started on . It should be mentioned that this timestamp technically does not change no matter where you are located on the globe, this makes the UNIX Timestamp especially useful for computer systems for tracking and sorting dated information online and in desktop applications.


UNIX Time-stamp 32-bit Limit

Unfortunately most systems and applications around the globe are still using 32-bit systems or 32-bit name-spaces for timestamps, this forces the UNIX Time-stamp to a hard limit of 2147483647, this translates to . Once we go over this number the time-stamp will become invalid and the only way to get around this is to convert to 64-bit which will provide us with a hard date limit of which you might think is good enough forever!

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