"Tue, 17 Sep 2024 20:18:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240917
Only TIME
20:18:20
General datetime
2024-09-17 20:18:20Z
For Database
2024-09-17 20:18:20
For HTTP1.1
Tue, 17 Sep 2024 20:18:20 GMT