"Wed, 21 Aug 2024 15:45:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
15:45:30
General datetime
2024-08-21 15:45:30Z
For Database
2024-08-21 15:45:30
For HTTP1.1
Wed, 21 Aug 2024 15:45:30 GMT