Category:Calendars

*

• Months (35 C, 54 P)

A

• Calendar algorithms (8 P)
• Anniversaries (14 C, 21 P)

D

• Date and time representation (1 C, 22 P)

E

• Calendar eras (1 C, 59 P)

H

• Hijrah-based calendars (2 C, 1 P)

L

• Liturgical calendars (3 C, 10 P)
• Lunar calendars (3 C, 7 P)
• Lunisolar calendars (4 C, 23 P)

O

• Observances (21 C, 9 P)
• Old Calendarism (1 C, 5 P)
• Old Style leap years (8 P)

P

• Proposed calendars (1 C, 11 P)

S

• Seasons (18 C, 27 P)
• Calendaring software (1 C, 38 P)
• Solar calendars (8 C, 13 P)
• Solstices (2 C, 8 P)
• Specific calendars (24 C, 110 P)
• Calendaring standards (16 P)

T

• Time formatting and storage bugs (9 P)
• Types of year (19 P)

• Calendar

*

• Time formatting and storage bugs

A

• Academic term
• Advent calendar
• Al Ajeery calendar
• Analemmatic sundial
• Annual calendar
• Annus confusionis
• Anywhere on Earth
• Azerbaijani calendar beliefs

B

• Barbanera
• Blue moon
• Broadcast calendar

C

• Calendar (New Style) Act 1750
• Calendar (publication)
• Calendar Act 1751
• Calendar-based contraceptive methods
• Calendarium Naturale Magicum Perpetuum
• Callippic cycle
• Century common year
• Century leap year
• Chase's Calendar of Events
• Choghadiya
• Civil calendar
• Common year
• Computus clock
• Conversion between Julian and Gregorian calendars

D

• Calendar date
• December solstice
• Docket (court)

E

• Reform of the date of Easter
• Ecclesiastical full moon
• Edict of Roussillon
• Efik calendar
• Enoch calendar
• Epact
• Ephemeris
• Eponym dating system
• European Years

F

• Fasli calendar

G

• Georgian calendar
• Gerlach Barklow Co.
• Golden number (time)

H

• Hipparchic cycle
• History of calendars
• Calendar house

I

• Intercalation (timekeeping)
• International Congress Calendar
• Iranian calendars

J

• Japanese calendar era bug
• Japanese Lunar Calendar
• Juche calendar
• June solstice

K

• Karaṇa (pañcāṅga)
• Knuckle mnemonic

L

• Laterculus
• Leap year
• Leap year problem
• Legal year
• Lunisolar calendar

M

• Macedonian months
• Madala Panji
• Menologium
• Metonic cycle
• Mizo calendar
• Mongolian calendar
• Month
• Mool Nanakshahi Calendar
• Municipal year

N

• Nepal Sambat
• New Year
• Nirayana system
• Nityayoga
• Nychthemeron

O

• Octaeteris
• Ordinal date

P

• Perennial calendar
• Perfect month
• Perpetual calendar
• Pin-ups for Vets
• Pollen calendar
• Porhalaan
• Proleptic calendar

Q

• Quarter days
• Qumran calendrical texts

R

• Rata Die
• The Reckoning of Time
• Regnal years of English and British monarchs
• Roman calendar
• Royal stars

S

• Season
• Sirvikalender
• Slavic calendar
• Solar calendar
• Solar cycle (calendar)
• Solstice

T

• Tammuz (Babylonian calendar)
• Telugu years
• Thai calendar
• Thirty Days Hath September
• Tirhuta calendar
• Tithi
• Tolkien Calendars
• Tropical year
• Two-cube calendar

U

• UNESCO International Days

V

• Vāra (astronomy)

W

• We'Moon
• The Week: A History of the Unnatural Rhythms That Made Us Who We Are
• Winter count

Y

• Calendar year
• Year 2000 problem
• Year 2011 problem
• Yele Sambat