The setting for Solar Chronoscope is automatically set for your location utilizing the GPS function of your mobile device and your current location. But if you wish to set for future predicated time or date, you can make the adjustments as follows:
Slide crown out for manually setting time/tide
Slide crown upward or downward to set time/date for future position of the sun
Tap and time/date wheel appears. Adjust for future date/time for future prediction of the sun position in visible or non visible sky
Sun at 12 o’clock position in visible sky (if sun is shaded, it’s a night time and location is in non visible sky)
Sun transiting visible or non visible sky (blanked out sun)