"Sun, 12 Jan 2025 14:21:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250112
Only TIME
14:21:59
General datetime
2025-01-12 14:21:59Z
For Database
2025-01-12 14:21:59
For HTTP1.1
Sun, 12 Jan 2025 14:21:59 GMT