"Sat, 24 Aug 2024 14:23:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240824
Only TIME
14:23:11
General datetime
2024-08-24 14:23:11Z
For Database
2024-08-24 14:23:11
For HTTP1.1
Sat, 24 Aug 2024 14:23:11 GMT