"Sun, 01 Sep 2024 21:20:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240901
Only TIME
21:20:03
General datetime
2024-09-01 21:20:03Z
For Database
2024-09-01 21:20:03
For HTTP1.1
Sun, 01 Sep 2024 21:20:03 GMT