"Sun, 18 Jan 1970 07:47:49"

Convert date and time to unixtime.

1496869

Another datetime format string at UTC

YYYYMMDD
19700118

Only TIME
07:47:49

General datetime
1970-01-18 07:47:49Z

For Database
1970-01-18 07:47:49

For HTTP1.1
Sun, 18 Jan 1970 07:47:49 GMT


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