Calendars and Timekeeping Systems WSC 2025 Quiz

Which calendar divides the year into 24 solar terms based on the sun’s longitude?

• Mayan Long Count

• Saros eclipse chart

• Chinese agricultural calendar

• Computus of Easter

• Aztec Tonalpohualli

The Antikythera mechanism is believed to have tracked which of the following?

• Movements of tides and ocean currents

• Market prices and agricultural yields

• Celestial cycles and eclipse predictions

• Days between lunar eclipses

• Agricultural planting patterns

Which system was designed to calculate the date of Easter in the Christian liturgical calendar?

• Metonic cycle

• Saros sequence

• Zodiacal precession

• Computus

• Chinese lunar-solar calendar

The Mayan Tzolk'in calendar consists of how many days?

• 260 days

• 360 days

• 400 days

• 13 months of 28 days

• 584 days

What do the Saros cycle and Antikythera mechanism have in common?

• Both use star alignments for astrology

• Both involve 365-day solar alignment

• Both predict lunar and solar eclipses

• Both divide time into 13-day weeks

• Both were used for temple construction

The Chinese solar terms mark seasonal changes every:

• 10 days

• 12 days

• 15 days

• 28 days

• 30 days

The Metonic cycle is best described as:

• A cycle predicting magnetic pole shifts

• A 19-year lunar-solar alignment cycle

• A cycle used in Buddhist calendars

• A Mayan method of solar division

• A 12-year zodiacal loop

Which of the following calendars includes a 260-day ritual cycle and a 365-day solar calendar?

• Gregorian and Hebrew

• Mayan and Aztec

• Metonic and Computus

• Chinese and Babylonian

• Zodiac and Vedic

The zodiac divides the sky into:

• 8 visible lunar phases

• 19 sunspot intervals

• 12 astrological signs along the ecliptic

• 28 lunar mansions from Chinese astronomy

• 64 hexagrams of the I Ching

What distinguishes the Tonalpohualli from the Xiuhpohualli in Aztec timekeeping?

• Tonalpohualli is agricultural; Xiuhpohualli is judicial

• Tonalpohualli tracks 365 days; Xiuhpohualli tracks 13 months

• Tonalpohualli is a 260-day ritual calendar

• Xiuhpohualli includes solar terms only

• Tonalpohualli uses solar eclipses for structure