"Fri, 02 Jan 1970 20:39:49"

Convert date and time to unixtime.

160789

Another datetime format string at UTC

YYYYMMDD
19700102

Only TIME
20:39:49

General datetime
1970-01-02 20:39:49Z

For Database
1970-01-02 20:39:49

For HTTP1.1
Fri, 02 Jan 1970 20:39:49 GMT


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