"Wed, 25 Jun 2025 14:45:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250625
Only TIME
14:45:33
General datetime
2025-06-25 14:45:33Z
For Database
2025-06-25 14:45:33
For HTTP1.1
Wed, 25 Jun 2025 14:45:33 GMT