"Sat, 18 Jan 2025 19:58:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250118
Only TIME
19:58:02
General datetime
2025-01-18 19:58:02Z
For Database
2025-01-18 19:58:02
For HTTP1.1
Sat, 18 Jan 2025 19:58:02 GMT