"Wed, 18 Sep 2024 18:31:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
18:31:19
General datetime
2024-09-18 18:31:19Z
For Database
2024-09-18 18:31:19
For HTTP1.1
Wed, 18 Sep 2024 18:31:19 GMT