"Mon, 06 May 2024 12:14:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240506
Only TIME
12:14:01
General datetime
2024-05-06 12:14:01Z
For Database
2024-05-06 12:14:01
For HTTP1.1
Mon, 06 May 2024 12:14:01 GMT