"Wed, 18 Sep 2024 14:38:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
14:38:40
General datetime
2024-09-18 14:38:40Z
For Database
2024-09-18 14:38:40
For HTTP1.1
Wed, 18 Sep 2024 14:38:40 GMT