"Thu, 01 Jan 1970 00:02:38"

Convert date and time to unixtime.

158

Another datetime format string at UTC

YYYYMMDD
19700101

Only TIME
00:02:38

General datetime
1970-01-01 00:02:38Z

For Database
1970-01-01 00:02:38

For HTTP1.1
Thu, 01 Jan 1970 00:02:38 GMT