"Mon, 16 Sep 2024 10:38:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240916
Only TIME
10:38:21
General datetime
2024-09-16 10:38:21Z
For Database
2024-09-16 10:38:21
For HTTP1.1
Mon, 16 Sep 2024 10:38:21 GMT