"Thu, 17 Jul 2025 14:45:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250717
Only TIME
14:45:12
General datetime
2025-07-17 14:45:12Z
For Database
2025-07-17 14:45:12
For HTTP1.1
Thu, 17 Jul 2025 14:45:12 GMT