"Sun, 19 Jan 2025 16:39:07"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250119
Only TIME
16:39:07
General datetime
2025-01-19 16:39:07Z
For Database
2025-01-19 16:39:07
For HTTP1.1
Sun, 19 Jan 2025 16:39:07 GMT