"Thu, 05 Sep 2024 20:40:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240905
Only TIME
20:40:21
General datetime
2024-09-05 20:40:21Z
For Database
2024-09-05 20:40:21
For HTTP1.1
Thu, 05 Sep 2024 20:40:21 GMT