"Mon, 06 May 2024 22:21:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240506
Only TIME
22:21:04
General datetime
2024-05-06 22:21:04Z
For Database
2024-05-06 22:21:04
For HTTP1.1
Mon, 06 May 2024 22:21:04 GMT