"Thu, 18 Jul 2024 20:36:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240718
Only TIME
20:36:40
General datetime
2024-07-18 20:36:40Z
For Database
2024-07-18 20:36:40
For HTTP1.1
Thu, 18 Jul 2024 20:36:40 GMT