"Sun, 12 Jan 2025 06:48:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250112
Only TIME
06:48:09
General datetime
2025-01-12 06:48:09Z
For Database
2025-01-12 06:48:09
For HTTP1.1
Sun, 12 Jan 2025 06:48:09 GMT