"Wed, 18 Sep 2024 20:52:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
20:52:39
General datetime
2024-09-18 20:52:39Z
For Database
2024-09-18 20:52:39
For HTTP1.1
Wed, 18 Sep 2024 20:52:39 GMT