"Sun, 18 Jan 1970 05:47:33"

Convert date and time to unixtime.

1489653

Another datetime format string at UTC

YYYYMMDD
19700118

Only TIME
05:47:33

General datetime
1970-01-18 05:47:33Z

For Database
1970-01-18 05:47:33

For HTTP1.1
Sun, 18 Jan 1970 05:47:33 GMT


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