"Wed, 11 Jun 2025 14:45:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250611
Only TIME
14:45:01
General datetime
2025-06-11 14:45:01Z
For Database
2025-06-11 14:45:01
For HTTP1.1
Wed, 11 Jun 2025 14:45:01 GMT