"Thu, 15 Aug 2024 21:49:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
21:49:17
General datetime
2024-08-15 21:49:17Z
For Database
2024-08-15 21:49:17
For HTTP1.1
Thu, 15 Aug 2024 21:49:17 GMT