"Wed, 21 Aug 2024 18:47:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
18:47:54
General datetime
2024-08-21 18:47:54Z
For Database
2024-08-21 18:47:54
For HTTP1.1
Wed, 21 Aug 2024 18:47:54 GMT