date and Time | Top

Date and time observation UTC ! (photo by PMO R.J. Rozeboom, KNMI)
Date and time (UTC) are mandatory to report
Notes

- By setting your computer to UTC (GMT) and switching on the 'use computer time as observation time' checkbox (TurboWin: Maintenance -> Station data), date and time will be automatically added to the obs.

- Month must be in range January - December or in range 1 - 12