"Sat, 17 Aug 2024 16:36:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240817
Only TIME
16:36:23
General datetime
2024-08-17 16:36:23Z
For Database
2024-08-17 16:36:23
For HTTP1.1
Sat, 17 Aug 2024 16:36:23 GMT