"Wed, 28 May 2025 14:45:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250528
Only TIME
14:45:11
General datetime
2025-05-28 14:45:11Z
For Database
2025-05-28 14:45:11
For HTTP1.1
Wed, 28 May 2025 14:45:11 GMT