"Wed, 21 Aug 2024 04:08:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
04:08:33
General datetime
2024-08-21 04:08:33Z
For Database
2024-08-21 04:08:33
For HTTP1.1
Wed, 21 Aug 2024 04:08:33 GMT