"Sun, 12 Jan 2025 06:12:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250112
Only TIME
06:12:16
General datetime
2025-01-12 06:12:16Z
For Database
2025-01-12 06:12:16
For HTTP1.1
Sun, 12 Jan 2025 06:12:16 GMT