"Fri, 23 Aug 2024 15:40:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240823
Only TIME
15:40:19
General datetime
2024-08-23 15:40:19Z
For Database
2024-08-23 15:40:19
For HTTP1.1
Fri, 23 Aug 2024 15:40:19 GMT