"Sat, 17 Aug 2024 21:39:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240817
Only TIME
21:39:57
General datetime
2024-08-17 21:39:57Z
For Database
2024-08-17 21:39:57
For HTTP1.1
Sat, 17 Aug 2024 21:39:57 GMT