"Thu, 15 Aug 2024 15:24:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
15:24:03
General datetime
2024-08-15 15:24:03Z
For Database
2024-08-15 15:24:03
For HTTP1.1
Thu, 15 Aug 2024 15:24:03 GMT