"Sat, 18 Jan 2025 14:53:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250118
Only TIME
14:53:52
General datetime
2025-01-18 14:53:52Z
For Database
2025-01-18 14:53:52
For HTTP1.1
Sat, 18 Jan 2025 14:53:52 GMT