"Wed, 18 Sep 2024 13:38:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
13:38:39
General datetime
2024-09-18 13:38:39Z
For Database
2024-09-18 13:38:39
For HTTP1.1
Wed, 18 Sep 2024 13:38:39 GMT