"Fri, 21 Jun 2024 06:24:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
06:24:16
General datetime
2024-06-21 06:24:16Z
For Database
2024-06-21 06:24:16
For HTTP1.1
Fri, 21 Jun 2024 06:24:16 GMT