"Sun, 12 Jan 2025 09:40:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250112
Only TIME
09:40:36
General datetime
2025-01-12 09:40:36Z
For Database
2025-01-12 09:40:36
For HTTP1.1
Sun, 12 Jan 2025 09:40:36 GMT