"Sat, 14 Sep 2024 21:20:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
21:20:54
General datetime
2024-09-14 21:20:54Z
For Database
2024-09-14 21:20:54
For HTTP1.1
Sat, 14 Sep 2024 21:20:54 GMT