"Sun, 12 Jan 2025 19:25:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250112
Only TIME
19:25:48
General datetime
2025-01-12 19:25:48Z
For Database
2025-01-12 19:25:48
For HTTP1.1
Sun, 12 Jan 2025 19:25:48 GMT