"Wed, 21 Aug 2024 23:18:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
23:18:39
General datetime
2024-08-21 23:18:39Z
For Database
2024-08-21 23:18:39
For HTTP1.1
Wed, 21 Aug 2024 23:18:39 GMT