"Wed, 18 Sep 2024 11:09:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
11:09:21
General datetime
2024-09-18 11:09:21Z
For Database
2024-09-18 11:09:21
For HTTP1.1
Wed, 18 Sep 2024 11:09:21 GMT