"Fri, 21 Jun 2024 22:15:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
22:15:36
General datetime
2024-06-21 22:15:36Z
For Database
2024-06-21 22:15:36
For HTTP1.1
Fri, 21 Jun 2024 22:15:36 GMT