"Mon, 20 Jan 2025 05:40:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250120
Only TIME
05:40:16
General datetime
2025-01-20 05:40:16Z
For Database
2025-01-20 05:40:16
For HTTP1.1
Mon, 20 Jan 2025 05:40:16 GMT