"Mon, 20 Jan 2025 16:25:26"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250120
Only TIME
16:25:26
General datetime
2025-01-20 16:25:26Z
For Database
2025-01-20 16:25:26
For HTTP1.1
Mon, 20 Jan 2025 16:25:26 GMT