"Thu, 16 May 2024 12:33:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240516
Only TIME
12:33:36
General datetime
2024-05-16 12:33:36Z
For Database
2024-05-16 12:33:36
For HTTP1.1
Thu, 16 May 2024 12:33:36 GMT