"Sat, 25 Jan 2025 16:22:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250125
Only TIME
16:22:40
General datetime
2025-01-25 16:22:40Z
For Database
2025-01-25 16:22:40
For HTTP1.1
Sat, 25 Jan 2025 16:22:40 GMT