"Thu, 12 Jun 2025 14:45:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250612
Only TIME
14:45:31
General datetime
2025-06-12 14:45:31Z
For Database
2025-06-12 14:45:31
For HTTP1.1
Thu, 12 Jun 2025 14:45:31 GMT