"Sat, 22 Jun 2024 15:23:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240622
Only TIME
15:23:02
General datetime
2024-06-22 15:23:02Z
For Database
2024-06-22 15:23:02
For HTTP1.1
Sat, 22 Jun 2024 15:23:02 GMT