To adjust speed:

• The position of the disk (bob) on the pendulum determines the rate of speed of your clock.
• To speed the clock up - move the bob up.
• To slow the clock down - move the bob down.
• On almost all modern pendulums, one complete turn (360 degrees) of the nut below the bob will change the speed of the clock by 30 seconds in a 24 hour period.

To adjust moon dial:

• The moon dial advances one click per day (two for Hershede).
• Find a calendar or local newspaper (usually on the weather page) with the phases of the moon listed for the month.
• Find the closest Full or New moon.
• Set the moon dial to correspond to the most recent of the two. For a full moon, center the moon on the dial under the 15. For a new moon, adjust so no moon is visible . Now advance the moon dial one click for each day that has passed since.

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