"Wed, 21 Aug 2024 06:39:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
06:39:59
General datetime
2024-08-21 06:39:59Z
For Database
2024-08-21 06:39:59
For HTTP1.1
Wed, 21 Aug 2024 06:39:59 GMT