"Wed, 18 Sep 2024 21:21:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
21:21:05
General datetime
2024-09-18 21:21:05Z
For Database
2024-09-18 21:21:05
For HTTP1.1
Wed, 18 Sep 2024 21:21:05 GMT