"Wed, 18 Sep 2024 23:18:27"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
23:18:27
General datetime
2024-09-18 23:18:27Z
For Database
2024-09-18 23:18:27
For HTTP1.1
Wed, 18 Sep 2024 23:18:27 GMT