"Mon, 20 Jan 2025 23:22:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250120
Only TIME
23:22:12
General datetime
2025-01-20 23:22:12Z
For Database
2025-01-20 23:22:12
For HTTP1.1
Mon, 20 Jan 2025 23:22:12 GMT