Times For Sunrise And Sunset - The Greenwich Masters CELESTIAL Instruction Manual

6. Times for Sunrise and Sunset

Example: Sunrise time for March 11 at the standard time longitude.
March 11
for March 11. In areas where summertime is in force add one hour to the
time indicated. After checking this function, turn the crown and return the
constellation dial clockwise to its present
position. Push the crown into its normal position.
March 11
6:23
1) Pull the crown out to
the first position.
2) Turn the crown and
bring the solar position
for March 11 on the
ecliptic on the
constellation dial so that
it overlaps the transparent
dials outline of the east
horizon.
3) The mean solar time of
sunrise will be shown as
the constellation dials
right ascension scale
corresponding to the date
10.