"Thu, 15 Aug 2024 20:50:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
20:50:03
General datetime
2024-08-15 20:50:03Z
For Database
2024-08-15 20:50:03
For HTTP1.1
Thu, 15 Aug 2024 20:50:03 GMT