"Thu, 19 Sep 2024 20:48:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240919
Only TIME
20:48:20
General datetime
2024-09-19 20:48:20Z
For Database
2024-09-19 20:48:20
For HTTP1.1
Thu, 19 Sep 2024 20:48:20 GMT