"Fri, 21 Jun 2024 09:25:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
09:25:19
General datetime
2024-06-21 09:25:19Z
For Database
2024-06-21 09:25:19
For HTTP1.1
Fri, 21 Jun 2024 09:25:19 GMT