"Wed, 18 Sep 2024 23:40:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
23:40:35
General datetime
2024-09-18 23:40:35Z
For Database
2024-09-18 23:40:35
For HTTP1.1
Wed, 18 Sep 2024 23:40:35 GMT