"Thu, 19 Sep 2024 20:24:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240919
Only TIME
20:24:21
General datetime
2024-09-19 20:24:21Z
For Database
2024-09-19 20:24:21
For HTTP1.1
Thu, 19 Sep 2024 20:24:21 GMT