"Sat, 10 Jan 1970 00:40:08"

Convert date and time to unixtime.

780008

Another datetime format string at UTC

YYYYMMDD
19700110

Only TIME
00:40:08

General datetime
1970-01-10 00:40:08Z

For Database
1970-01-10 00:40:08

For HTTP1.1
Sat, 10 Jan 1970 00:40:08 GMT

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