"Thu, 19 Sep 2024 20:18:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240919
Only TIME
20:18:20
General datetime
2024-09-19 20:18:20Z
For Database
2024-09-19 20:18:20
For HTTP1.1
Thu, 19 Sep 2024 20:18:20 GMT