Sunrise, sunset, solar eclipses, dawn and dusk twilights and other events related to the Sun.

Local weather prediction for up to 5 days.

Notable events in history for each day

Pagan holidays and festivals.

Week numbering according to European, American or Middle Eastern standard.

Shows local Blue and Golden Hours, optimal times for outdoor photography.

A long list of unofficial, funny holidays.

Zodiac signs and their respective dates.

Jewish holidays for people living outside of Israel (Diaspora).

International awareness days set by the United Nations.

Days intended to raise awareness of health, social or environmental issues.

A proverb for every day.

Compresses the history of the universe into a single year.

Days intended to raise awareness of health, social or environmental issues.

European holidays declared by the European Commission.

Holidays and notable events in Ancient Rome.

Pokémon GO events. The data is provided by leekduck.com

Holidays related to food, drinks and cooking.

A long list of unofficial, funny holidays.

Holidays, awareness days and funny observances related to pets and other animals.

Various doomsday predictions. If the prediction is unspecific, the date is set on the last possible day of the prediction.

Day numbers from 1 to 365 (366). Can skip holidays and weekends if necessary.

Week numbering according to European, American or Middle Eastern standard.

Pay days for people receiving monthly or weekly salary.

Daily work shifts based on a repeating cycle.

Christian liturgical year.

Holidays according to Coptic Christians.

Holydays according to Discordianism.

Discordian Whollydays

Islamic holidays according to the Shia denomination.

Islamic holidays according to the Sunni denomination.

Jewish holidays for people living outside of Israel (Diaspora).

Jewish holidays for people living in Israel.

Pagan holidays and festivals.

Holidays accoring to Pastafarianism.

Daily prayer times for Muslims.

Daily prayer times for Jews.

When the Moon is close to the Earth and aligned with the Sun, there is a slight increase in the severity and likelihood of volcanic eruptions and earthquakes.

Shows local Blue and Golden Hours, optimal times for outdoor photography.

Shows known meteor showers. On these nights you can expect to see shooting stars in the atmosphere.

Moon rises, sets, phases and other related events.

Shows planets which are in apparent retrograde motion on each day.

Solunar theory uses the Moon and the Sun to predict when fish will feed well.

Sunrise, sunset, solar eclipses, dawn and dusk twilights and other events related to the Sun.

Tides (high tide and low tide) for many locations. They are calculated based on the nearest station, so all locations are not available.

Compresses the history of the universe into a single year.

Shows the forecast of the day's UV index.

Local weather prediction for up to 5 days.

A proverb for every day.

Notable events in history for each day

International baseball leagues and tournaments.

Basketball matches from the league and team you select.

Formula 1 races from all over the world.

American football games from US leagues.

Ice-hockey matches from the league you select.

Football matches from the league you select.

International tennis tournaments.

World Rally Championship races

Birthdays of notable people

Death dates of notable people

Anniversaries of famous weddings.

Independence days for all countries. Some countries have more than one independence/national day.

International awareness days set by the United Nations.

Armenian

Aztec religious Tōnalpōhualli calendar.

Aztec Xiuhpōhualli calendar.

Coptic

Discordian

Egyptian calendar

Ethiopian

French Republican

Hebrew

Medieval Icelandic calendar.

Also known as the Cotsworth plan, the Cotsworth calendar and the Eastman plan.

Islamic

ISO 8601 numbering

ISO Day Numbering

ISO Week Numbering

North Korean Juche calendar.

Julian

Julian Day Numbers

Mayan Haabʼ calendar.

Mayan Long Count

Mayan religious Tzolkʼin calendar.

Pawukon

Persian

Roman

Personal biorhythms. They are not based on science.

The phases of your menstrual cycle. Requires that your menstrual cycle is fairly regular.

Weekly information on how your pregnancy proceeds and what is happening inside your womb.

Shows how far in the future or past a certain event is. Can be used when waiting for something.

Define your weight and target weight. This calendar reminds you to weigh yourself and tells you what your current weight should be.

Zodiac signs and their respective dates.