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