Dates & Festivals

The ancient Greeks used several different calendars, most of which were specific to particular city-states or regions. There are many ways to approach festival calendars. Some polytheists use reconstructions, some follow a modern lunar calendar, others use completely modern solar calendars.  

Below you will find links to reconstructed festival calendars, ritual details, and other resources for building your own festival calendar. 

Sunset, with crescent moon.

Of all the ancient Greek festival calendars, the calendar of Attica is the most complete. For this reason, it is a popular choice in Hellenic Polytheist communities, and is by far the most common festival calendar. Like other Greek calendars Attic months traditionally start at dusk following the first visual sighting of the new moon. The New Year begins on the first new month following the summer solstice. 

Stormy Tholos of Delphi.

Despite being famous for having a jam-packed festival calendar in ancient times, not much survives of the Delphic calendar. This makes it a good choice for anyone who finds a smaller number of festivals more manageable, those who want a good foundation on which to build their own festival calendar, anyone with a particular interest in the religious life of ancient Delphi, and anyone who would like to add a non-Athenian perspective. 


The Korai of the Acropolis, Athens.


Paian - Attic festival calendar 

HMEPAHellenic Month Established Per Athens  

Hellenion's Calendar – A modified Attic festival year

Festival list – Elaion

Hellenic Festival Year – Baring the Aegis 

Attic calendar – Episteme Academy

Olive tress against Delphic sunset.

Delphi & Other Hellenic

Pytho – Delphic calendar project

Pytho Delphic calendar – The next few years of Nth hem dates

Ancient Hellenic Month Calculator – A spreadsheet

The auspicious days of Hesiod  – Baring the Aegis 

Collection of Greek Ritual Norms – Inscription DB

Ancient Greek calendars – Wikipedia

Research aids

Library shelves.

Journal Articles

Ancient Greek Calendars – Robert Hannah

The Greek Calendar – George Thomson

The Sacrificial Calendar of Athens – Stephen Lambert

Festivals of Rhodes – Irene Ringwood Arnold

Delphi & Cosmovision – Ioannis Liritzis & Belén Castro

Hour Glass.

Other Useful Links

Every TimeZone – local time converter

Roman Calendar – the roman festival year

ToposText – literature by location 

ORBIS – travel time in the Roman world, Stanford



Attic Dates 

The dates below are set to start at midnight, and are calculated for Athens. For a list of lunar dates, see Ancient Athenian Festival Year


Delphic Calendar 

The dates below start at sunset, and are calculated for Delphi. For a list of lunar dates, see Delphic Festival Year