"Tue, 17 Sep 2024 23:18:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240917
Only TIME
23:18:21
General datetime
2024-09-17 23:18:21Z
For Database
2024-09-17 23:18:21
For HTTP1.1
Tue, 17 Sep 2024 23:18:21 GMT