"Sat, 25 Jan 2025 08:08:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250125
Only TIME
08:08:20
General datetime
2025-01-25 08:08:20Z
For Database
2025-01-25 08:08:20
For HTTP1.1
Sat, 25 Jan 2025 08:08:20 GMT