"Sat, 24 Aug 2024 18:21:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240824
Only TIME
18:21:54
General datetime
2024-08-24 18:21:54Z
For Database
2024-08-24 18:21:54
For HTTP1.1
Sat, 24 Aug 2024 18:21:54 GMT