"Fri, 21 Jun 2024 14:44:58"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
14:44:58
General datetime
2024-06-21 14:44:58Z
For Database
2024-06-21 14:44:58
For HTTP1.1
Fri, 21 Jun 2024 14:44:58 GMT