"Wed, 21 Jan 1970 00:54:30"

Convert date and time to unixtime.

1731270

Another datetime format string at UTC

YYYYMMDD
19700121

Only TIME
00:54:30

General datetime
1970-01-21 00:54:30Z

For Database
1970-01-21 00:54:30

For HTTP1.1
Wed, 21 Jan 1970 00:54:30 GMT


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