Origin of the Calendar

1
Origin of the Calendar

• Debbie Boeters
• Sanne Hulsker
• Simone Stapels
• Inger van Steenoven

2
Introduction

• The history of the calendar
• The influence from the moon
• The influence from the sun
• Other planets
• Conclusion

3
Calendars through the years

• Classification into time-zones
• Stonehenge
• Carnac
• Moon calendar and sun calendar
• Holy calendars
• Julian calendar
• Gregorian calendar

4
Influence from the moon

• Moon phases
• Low and high tide
• Height of the days

5
Influence from the sun

• Time-zones
• Summertime and wintertime
• Seasons

6
Other planets

• Seasons
• Uranus
• Mercury

7
Conclusion

• Moon calendar
• 67 days added
• Sun calendar
• Two months added
• Leap-years