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The calendar is built from a series of rings around a central circle. From the outside in, the rings show: moon phases, fields for your own notes along with the public holidays in Germany, Austria, Switzerland and Liechtenstein, fields for your own graphic markings, dates and weekdays, calendar weeks and months.

Month and moon go back to the same Indo-European root – a month was originally one orbit of the moon. Our month names, however, come from Rome. And there the year long began in March: February was the last month, which is why it is still the shortest and carries the leap day. When Julius Caesar had the calendar reformed in 45 BC, the start of the year moved to 1 January. The names stayed, the counting shifted by two – and ever since, the last four months have carried the wrong numbers: September means “the seventh”, October “the eighth”, November “the ninth”, December “the tenth”. January, March, May and June are named after gods, July and August after Roman emperors. Around 800 AD, Charlemagne tried to replace the Latin names with Germanic ones: wintarmanod, brachmanod, herbistmanod, heilagmanod – names rooted in nature, weather and farming work. They never caught on. At the centre of the calendar, a year-round landscape shows what happened in each of these months in field, forest and pasture.

A large field for every single day leaves room for personal entries: birthdays and other celebrations, appointments, the ski trip, the next cycling tour or hike. Three rings offer space for personal markings, whether sporting activities, trips to the cinema or theatre, or your own period of fasting. By the end of the year, you have a quick, infographic overview of your own personal 2027.

The content of this calendar is based on “Das große Buch der deutschen Sprache” – figures, facts and phenomena in more than 1000 infographics and illustrations, created in collaboration with the Duden editorial team.
Every one of our calendars shows the whole year on a single poster – in a circle. The principle stays the same, the theme at its centre changes every year: from the constellations to the moon and the wheel, to volcanoes, the Alps and the names of the months.
Why the circle is the right shape for a year, how the calendar is built up ring by ring, and which theme lies behind each edition – we tell the story on a page of its own.
See the concept & all editionsThe calendar is built from a series of rings around a central circle. From the outside in, the rings show: moon phases, fields for your own notes along with the public holidays in Germany, Austria, Switzerland and Liechtenstein, fields for your own graphic markings, dates and weekdays, calendar weeks and months.

Month and moon go back to the same Indo-European root – a month was originally one orbit of the moon. Our month names, however, come from Rome. And there the year long began in March: February was the last month, which is why it is still the shortest and carries the leap day. When Julius Caesar had the calendar reformed in 45 BC, the start of the year moved to 1 January. The names stayed, the counting shifted by two – and ever since, the last four months have carried the wrong numbers: September means “the seventh”, October “the eighth”, November “the ninth”, December “the tenth”. January, March, May and June are named after gods, July and August after Roman emperors. Around 800 AD, Charlemagne tried to replace the Latin names with Germanic ones: wintarmanod, brachmanod, herbistmanod, heilagmanod – names rooted in nature, weather and farming work. They never caught on. At the centre of the calendar, a year-round landscape shows what happened in each of these months in field, forest and pasture.

A large field for every single day leaves room for personal entries: birthdays and other celebrations, appointments, the ski trip, the next cycling tour or hike. Three rings offer space for personal markings, whether sporting activities, trips to the cinema or theatre, or your own period of fasting. By the end of the year, you have a quick, infographic overview of your own personal 2027.

The content of this calendar is based on “Das große Buch der deutschen Sprache” – figures, facts and phenomena in more than 1000 infographics and illustrations, created in collaboration with the Duden editorial team.
Every one of our calendars shows the whole year on a single poster – in a circle. The principle stays the same, the theme at its centre changes every year: from the constellations to the moon and the wheel, to volcanoes, the Alps and the names of the months.
Why the circle is the right shape for a year, how the calendar is built up ring by ring, and which theme lies behind each edition – we tell the story on a page of its own.
See the concept & all editions