August 2020
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September 2020
| Day | Event | Religion | Cultural |
| 2 | Labor Day | United States | |
| 5 | Jeune Genevois (Geneva Only) | Switzerland | |
| 11 | Patriot Day | United States | |
| 19 | International Talk Like a Pirate Day | Worldwide | |
| 19-20 | Erev Rosh Hashanah | Jewish | |
| 21 | Founder's Day | Ghana | |
| 21 | Mabon | Pagan | |
| 27-28 | Kol Nidre/Yom Kippur | Jewish |
| Day | Event | Religion | Cultural |
| 1 | National Day | China | |
| 1 | Mid-Autumn Festival | China | |
| 3 | Sukkot (begins) | Jewish | |
| 9 | Sukkot (ends) | Jewish | |
| 9-11 | Shemini Atzeret | Jewish | |
| 10-11 | Simchat Torah | Jewish | |
| 12 | Columbus Day | United States | |
| 13 | Passing of King Bhumibol | Thailand | |
| 17 | Birth of Báb | Bahá'í | |
| 17-26 | Navaratri | Hindu | |
| 23 | Chulalongkorn Day | Thailand | |
| 25 | Dussehra | Hindu | |
| 26 | National Day | Austria | |
| 28 | Ochi Day | Greek | |
| 31 | Halloween | United States |
| Day | Event | Religion | Cultural |
| 1 | All Saints' Day (Hallowmas, All Hallows') | Christian | |
| 1 | Samhain | Pagan | |
| 2 | All Souls' Day | Christian | |
| 3 | Daylight Savings Time (Ends) | United States | |
| 11 | Veterans Day | United States | |
| 17 | Polytechneio | Greece | |
| 26-27 | Ascension of Abdu'l-Bahá | Bahá'í | |
| 28 | Thanksgiving | United States | |
| 28 | Christmas Fast (begins) | Christian | |
| 29 | Black Friday | United States |
| Day | Event | Religion | Cultural |
| 2 | Advent (Begins) | Christian | |
| 2 | Cyber Monday | United States | |
| 4 | Farmer's Day | Ghana | |
| 5 | King Bhumibol's Birthday | Thailand | |
| 7 | Pearl Harbor Remembrance Day | United States | |
| 10 | Constitution Day | Thailand | |
| 11 | Chanukah (begins) | Jewish | |
| 12 | Our Lady of Guadalupe (Feast Day) | Christian | |
| 16 | Las Posadas (begins) | Christian | Mexico |
| 18 | Chanukah (ends) | Jewish | |
| 21 | Yule | Pagan | |
| 24 | Christmas Fast (ends) | Christian | |
| 25 | Christmas | Christian | |
| 26 | Kwanzaa (begins) | United States | |
| 31 | Restoration Day (Geneva Only) | Switzerland |
| Day | Event | Religion | Cultural | |
| 1 | New Year's Day | International | ||
| 1 | Kwaanza (ends) | Pan-African | ||
| 6 | Epiphany | Christian | ||
| 7 | Orthodox Christmas Day | Orthodox | ||
| 8 | Bodhi Day | Buddhist | ||
| 14 | Orthodox New Year | Orthodox | ||
| 17 | World Religion Day | Bahá'í | ||
| 18 | Week of Prayer for Christian Unity (begins) | Christian | ||
| 20 | Martin Luther King, Jr. Day | United States | ||
| 25 | Week of Prayer for Christian Unity (ends) | Christian | |
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| 27 | Australia Day | Australia |
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| 27-28 | Tu b'shevat | Jewish | ||
| 28 | Mahayana New Year | Buddhist |
| Day | Event | Religion | Cultural |
| 2 | Groundhog's Day | United States | |
| 12 | Lincoln's birthday | United States | |
| 12 | Lunar New Year | China etc. | |
| 14 | Valentine's Day | United States | |
| 15 | President's Day | United States | |
| 15 | Washington's Birthday | United States | |
| 16 | Shrove Tuesday | Christian | |
| 16 | Mardi Gras | United States | |
| 26 | Macha Bucha Day | Buddhist | Thailand |
| Day | Event | Religion | Cultural |
| 6 | Independence Day | Ghana | |
| 8 | International Women's Day | ||
| 11 | Maha Shivratri | Hindu | |
| 14 | Day Light Savings Time (begins) | United States | |
| 17 | St. Patrick's Day | United States | |
| 20 | Vernal Equinox | ||
| 25 | Greek Independence Day | Greece | |
| 27 | Passover (begins) | Jewish | |
| 28 | Palm Sunday | Christian | |
| 28-29 | Holi | Hindu |
| Day | Event | Religion | Cultural | |
| 1 | April Fool's Day | USA | ||
| 1 |
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Christian | ||
| 2 | Good Friday | Christian | ||
| 4 | Easter | Christian | ||
| 4 | Passover (ends) | Jewish | ||
| 5 | Ching Ming Day | China | ||
| 6 | Chakri Day | Thailand | ||
| 8-9 | Yom Hashoah | Jewish | ||
| 12 | Ramadan(begins) | Muslim | ||
| 13-15 | Songkran Festival (Thai New Year) | Thailand | ||
| 13 | Vaisakhi | Sikh | ||
| 15 | Tax Day | USA | ||
| 22 | Earth Day | USA | ||
| 27 | King's Day | Netherlands | ||
| 27 | Theravadin New Year | Buddhist |
| Day | Event | Religion | Cultural |
| 1 | May Day/ Labor Day | International | |
| 1 | Beltane | Pagan | |
| 6 | Coronation Day | Thailand | |
| 7 | National Day of Prayer | Interfaith USA | |
| 9 | Mother's Day | United States | |
| 12-13 | Eid ul Fitr | Muslim | |
| 16-17 | Shavout | Jewish | |
| 25 | Africa Day | Africa | |
| 26 | Visakha Bucha Day | Buddhist | Thailand |
| 26 | Wesak Day | Buddhist | |
| 29 | Ascension of Bahá'u'lláh | Bahá'í | |
| 31 | Memorial Day | United States |
| Day | Event | Religion | Cultural |
| 14 | Flag Day | United States | |
| 14 | Dragon Boat Festival | China | |
| 20 | Father's Day | United States | |
| 22 | Litha (summer solstice) | Pagan |
| Day | Event | Religion | Cultural |
| 1 | Republic Day | Ghana | |
| 4 | Independence Day | United States |
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| 24 | Asahna Bucha Day | Buddhist | Thailand |
| 28 | King's Birthday | Thailand |