"Wed, 21 Aug 2024 04:08:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
04:08:45
General datetime
2024-08-21 04:08:45Z
For Database
2024-08-21 04:08:45
For HTTP1.1
Wed, 21 Aug 2024 04:08:45 GMT