"Sun, 12 Jan 2025 04:30:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250112
Only TIME
04:30:11
General datetime
2025-01-12 04:30:11Z
For Database
2025-01-12 04:30:11
For HTTP1.1
Sun, 12 Jan 2025 04:30:11 GMT