"Sun, 05 Jan 2025 04:30:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250105
Only TIME
04:30:00
General datetime
2025-01-05 04:30:00Z
For Database
2025-01-05 04:30:00
For HTTP1.1
Sun, 05 Jan 2025 04:30:00 GMT