"Sat, 18 Jan 2025 13:34:27"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250118
Only TIME
13:34:27
General datetime
2025-01-18 13:34:27Z
For Database
2025-01-18 13:34:27
For HTTP1.1
Sat, 18 Jan 2025 13:34:27 GMT