"Mon, 06 Jan 2025 10:40:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250106
Only TIME
10:40:15
General datetime
2025-01-06 10:40:15Z
For Database
2025-01-06 10:40:15
For HTTP1.1
Mon, 06 Jan 2025 10:40:15 GMT