Calendar

Yearly calendar with all months at a glance - holidays and moon phases

January

February

March

April

May

June

July

August

September

October

November

December

2028 Holidays at a Glance

Leap year - 366 days

•📅 Friday the 13th Frequency: Every calendar year has at least one Friday the 13th, and at most three - the longest possible gap between Friday the 13ths is 14 months (426 days), and any month starting on a Sunday will have a Friday the 13th.
•🗓️ The Calendar Repeat Cycle: There are only 14 possible calendar configurations (7 for common years starting on each day of the week, 7 for leap years) - meaning every year is identical to some past year, and 2026's calendar is exactly the same as 1999, 2010, and will repeat in 2037.
•⏰ The Lost 11 Days: When Britain switched from the Julian to Gregorian calendar in September 1752, they skipped 11 days - going directly from September 2 to September 14 - causing riots from people who believed their lives were being "shortened."
•🌍 New Year's Not Universal: While most of the world celebrates January 1, the Chinese New Year (Jan 21-Feb 20), Islamic New Year (moves 11 days earlier each year), Jewish New Year (Rosh Hashanah, Sept/Oct), and Ethiopian New Year (Sept 11) all fall on completely different dates.
•📊 October/December Name Paradox: October means "8th month" and December means "10th month" in Latin, but they're the 10th and 12th months - this happened because the Roman calendar originally started in March, making October the 8th and December the 10th until January and February were added later.

•🇪🇹 Ethiopia's Unique Calendar: Ethiopia uses a calendar that's 7-8 years behind the Gregorian calendar - as of 2026, it's 2018 in Ethiopia, with 13 months (12 of 30 days, plus a 5-6 day month).
•📅 Japanese Era System: Japan uses both Gregorian and era-based years - 2026 is Reiwa 8 (8th year of Emperor Naruhito's reign) - official documents use era years, making Japanese history confusing for outsiders.
•🌙 Islamic Calendar Speed: The Islamic calendar gains a full year every ~32.5 years relative to the Gregorian calendar - the year 1500 AH (Anno Hegirae) occurred in 2077 Gregorian, showing the drift.
•🗓️ Persian Solar Calendar: Iran uses a solar calendar (not lunar like other Muslim countries) that's more accurate than the Gregorian - the Persian New Year (Nowruz) is always on the spring equinox, March 20 or 21.
•📅 Indian National Calendar: India officially uses the Saka calendar alongside Gregorian - it starts with Chaitra 1 (March 22 in normal years, March 21 in leap years), and the year 2026 CE is 1948 Saka.
•🇷🇺 Russia's Double Switch: Russia switched calendars twice - from Julian to Gregorian in 1918 (skipping 13 days), and after the revolution, briefly considered a 5-day week and 6-day week before returning to 7 days.