"Wed, 18 Sep 2024 11:18:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
11:18:36
General datetime
2024-09-18 11:18:36Z
For Database
2024-09-18 11:18:36
For HTTP1.1
Wed, 18 Sep 2024 11:18:36 GMT