"Sat, 22 Jun 2024 14:37:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240622
Only TIME
14:37:23
General datetime
2024-06-22 14:37:23Z
For Database
2024-06-22 14:37:23
For HTTP1.1
Sat, 22 Jun 2024 14:37:23 GMT