"Sun, 12 Jan 2025 20:39:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250112
Only TIME
20:39:00
General datetime
2025-01-12 20:39:00Z
For Database
2025-01-12 20:39:00
For HTTP1.1
Sun, 12 Jan 2025 20:39:00 GMT