"Thu, 19 Sep 2024 09:21:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240919
Only TIME
09:21:21
General datetime
2024-09-19 09:21:21Z
For Database
2024-09-19 09:21:21
For HTTP1.1
Thu, 19 Sep 2024 09:21:21 GMT