"Sat, 24 Aug 2024 21:40:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240824
Only TIME
21:40:10
General datetime
2024-08-24 21:40:10Z
For Database
2024-08-24 21:40:10
For HTTP1.1
Sat, 24 Aug 2024 21:40:10 GMT