"Sun, 12 Jan 2025 12:54:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250112
Only TIME
12:54:34
General datetime
2025-01-12 12:54:34Z
For Database
2025-01-12 12:54:34
For HTTP1.1
Sun, 12 Jan 2025 12:54:34 GMT