"Wed, 14 Jan 1970 00:59:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700114
Only TIME
00:59:50
General datetime
1970-01-14 00:59:50Z
For Database
1970-01-14 00:59:50
For HTTP1.1
Wed, 14 Jan 1970 00:59:50 GMT