"Sun, 12 Jan 2025 18:27:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250112
Only TIME
18:27:48
General datetime
2025-01-12 18:27:48Z
For Database
2025-01-12 18:27:48
For HTTP1.1
Sun, 12 Jan 2025 18:27:48 GMT