"Mon, 20 Jan 2025 13:42:27"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250120
Only TIME
13:42:27
General datetime
2025-01-20 13:42:27Z
For Database
2025-01-20 13:42:27
For HTTP1.1
Mon, 20 Jan 2025 13:42:27 GMT