"Fri, 23 Aug 2024 15:45:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240823
Only TIME
15:45:55
General datetime
2024-08-23 15:45:55Z
For Database
2024-08-23 15:45:55
For HTTP1.1
Fri, 23 Aug 2024 15:45:55 GMT