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