"Wed, 18 Sep 2024 18:26:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
18:26:23
General datetime
2024-09-18 18:26:23Z
For Database
2024-09-18 18:26:23
For HTTP1.1
Wed, 18 Sep 2024 18:26:23 GMT