"Mon, 26 Jan 1970 00:20:25"

Convert date and time to unixtime.

2161225

Another datetime format string at UTC

YYYYMMDD
19700126

Only TIME
00:20:25

General datetime
1970-01-26 00:20:25Z

For Database
1970-01-26 00:20:25

For HTTP1.1
Mon, 26 Jan 1970 00:20:25 GMT

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