"Fri, 21 Jun 2024 17:19:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
17:19:35
General datetime
2024-06-21 17:19:35Z
For Database
2024-06-21 17:19:35
For HTTP1.1
Fri, 21 Jun 2024 17:19:35 GMT