{"slug":"bahai-calendar","title":"Baháʼí calendar","summary":"The Baháʼí calendar is a solar calendar system consisting of 19 months of 19 days each, plus intercalary days, used by the Baháʼí Faith to organize spiritual life and community observances around mathematically elegant cycles that begin with the spring equinox.","content_md":"# Baháʼí Calendar\n\nThe **Baháʼí calendar**, also known as the **Badíʻ calendar** (meaning \"wondrous\" or \"unique\"), is a solar calendar used by members of the Baháʼí Faith to organize their spiritual and community life [1][5]. Unlike the Gregorian calendar's irregular month lengths, the Baháʼí calendar follows a mathematically elegant structure of 19 months, each containing exactly 19 days, creating a harmonious framework that reflects the faith's emphasis on unity and spiritual order [2][3].\n\nThis distinctive calendar system serves not merely as a timekeeping device but as a spiritual tool that shapes the rhythm of Baháʼí worship, community gatherings, and personal devotion. Each month and day is named after divine attributes such as Perfection, Mercy, and Glory, transforming the simple act of marking time into a daily reminder of spiritual virtues [2].\n\n## Structure and Design\n\nThe Baháʼí calendar consists of **19 months of 19 days each**, totaling 361 days [2][3]. To align with the solar year of approximately 365.25 days, the calendar includes a period of **four or five intercalary days** called **Ayyám-i-Há** (Days of Há), which fall between the 18th and 19th months [5]. These extra days serve as a time for gift-giving, charity, and preparation for the upcoming period of fasting.\n\nThe Baháʼí year begins at the **moment of the Northern spring equinox** as calculated for Tehran, Iran, typically falling on March 20 or 21 in the Gregorian calendar [2][5]. This astronomical beginning, called **Naw-Rúz** (New Day), connects the calendar directly to natural cycles and emphasizes the faith's Persian origins.\n\nEach of the 19 months bears the name of a divine attribute in Arabic:\n- Bahá (Splendor) - March 21-April 8\n- Jalál (Glory) - April 9-27  \n- Jamál (Beauty) - April 28-May 16\n- ʻAẓamat (Grandeur) - May 17-June 4\n\nThe days of the week are similarly named after attributes, beginning with Jalál (Glory) for Saturday and continuing through Jamál (Beauty), Kamál (Perfection), Fiḍál (Grace), ʻIdál (Justice), Istijlál (Majesty), and Istiqlál (Independence) [2].\n\n## Historical Origins\n\nThe Baháʼí calendar was originally conceived by the Báb, the forerunner of Baháʼu'lláh (the founder of the Baháʼí Faith), in the mid-19th century. The Báb introduced this calendar system as part of his broader religious reforms, establishing the 19-based structure that would later be adopted and refined by Baháʼu'lláh.\n\nThe calendar's implementation evolved over time. Initially, Baháʼí communities used various methods to determine the exact timing of the new year and holy days. In 2014, the Universal House of Justice (the governing body of the Baháʼí Faith) standardized the calendar's astronomical calculations, establishing Tehran as the reference point for determining the spring equinox [5].\n\n## Holy Days and Observances\n\nThe Baháʼí calendar designates specific **Holy Days** throughout the year when work and school are suspended for observant Baháʼís [6][8]. These include:\n\n**Major Holy Days:**\n- **Naw-Rúz** (New Year) - Spring equinox\n- **Riḍván Festival** - 12-day period commemorating Baháʼu'lláh's declaration (April 21-May 2)\n- **Declaration of the Báb** - May 23\n- **Ascension of Baháʼu'lláh** - May 29\n- **Martyrdom of the Báb** - July 9\n- **Birth of the Báb** - October (date varies)\n- **Birth of Baháʼu'lláh** - November (date varies)\n\nThe **19-Day Feast** occurs on the first day of each Baháʼí month, serving as the primary community gathering for worship, consultation, and fellowship [3]. These feasts strengthen community bonds and provide a regular rhythm for collective spiritual life.\n\nThe calendar also includes a **19-day period of fasting** during the final month (ʻAláʼ), from March 2-20, when adult Baháʼís abstain from food and drink from sunrise to sunset [6].\n\n## Practical Implementation\n\nModern Baháʼí communities worldwide use both the Baháʼí calendar and the Gregorian calendar simultaneously. The Baháʼí calendar determines religious observances, community events, and spiritual practices, while the Gregorian calendar governs daily secular activities [4].\n\nDigital tools and printed calendars help Baháʼís track both systems, with many communities publishing annual calendars showing Gregorian equivalents for all Baháʼí dates [7]. The Baháʼí World Centre provides official calculations for holy day dates decades in advance, ensuring global coordination [4].\n\nThe calendar's mathematical precision appeals to many adherents. The 19×19 structure creates 361 days, with the number 19 holding special significance in Baháʼí numerology as the numerical value of the Arabic word \"Wáḥid\" (Unity).\n\n## Cultural and Spiritual Significance\n\nBeyond its practical function, the Baháʼí calendar embodies core principles of the faith. The naming of months and days after divine attributes serves as a daily spiritual exercise, encouraging believers to contemplate and embody these qualities. The calendar's unity and mathematical harmony reflect Baháʼí teachings about the underlying order and beauty of creation.\n\nThe global standardization of the calendar, with its astronomical basis, demonstrates the faith's commitment to scientific accuracy while maintaining spiritual meaning. This synthesis of science and spirituality exemplifies broader Baháʼí principles about the harmony between reason and faith.\n\n## Related Topics\n\n- Baháʼí Faith\n- Persian calendar systems\n- Solar calendars\n- Religious calendars\n- Naw-Rúz celebration\n- Nineteen Day Feast\n- Ayyám-i-Há\n- Astronomical calendars\n\n## Summary\n\nThe Baháʼí calendar is a solar calendar system consisting of 19 months of 19 days each, plus intercalary days, used by the Baháʼí Faith to organize spiritual life and community observances around mathematically elegant cycles that begin with the spring equinox.\n\n\n\n","sources":[{"url":"https://bahaidailycalendar.com/","title":"Baháʼí Calendar 2026–2027 — Today's Date, Feasts & Holy Days","snippet":"The Baháʼí Calendar — also known as the Badí calendar — is a solar calendar used by the Baháʼí Faith to order spiritual life. Its structure is built around a 19-day cycle, with each year divided into 19 months of 19 days, plus an ..."},{"url":"https://en.wikipedia.org/wiki/Bah%C3%A1%CA%BC%C3%AD_calendar","title":"Baháʼí calendar - Wikipedia","snippet":"The Baháʼí calendar used in the Baháʼí Faith is a solar calendar consisting of nineteen months and four or five intercalary days, with new year at the moment of Northern spring equinox. Each month is named after a virtue (e.g., Perfection, Mercy), as are the days of the week."},{"url":"https://www.bahai.org/action/devotional-life/calendar","title":"The Bahá’í Calendar","snippet":"The Bahá’í calendar, including Holy Days, and consisting of 19 months of 19 days each in a solar year, expresses the unique rhythms and unity of Bahá’í community life."},{"url":"https://bahai-library.com/covenant_library_dates_calendar","title":"Covenant Library: Bahá'í Dates Calendar","snippet":"Tables and charts of: Baha'i Holy Days 2025-2064; Baha'i months and years with their Gregorian conversion; and various references and quotations about the Baha'i calendar."},{"url":"https://www.bahaiblog.net/about-bahai-blog/bahai-calendar/","title":"Baha’i Calendar | Baha'i Blog","snippet":"The Baha’i calendar (also called the Badi calendar, meaning wondrous or unique) is a solar calendar composed of 19 months of 19 days each, plus an extra period of four or five intercalary days, known as Ayyam-i-Ha. The Baha’i year begins on the day of the vernal equinox in Tehran (Iran), ..."},{"url":"https://bahaidailycalendar.com/bahai-holy-days","title":"Baháʼí Holy Days & 19 Day Feast Dates 2026–2027 (Free PDF)","snippet":"Baháʼís celebrate with prayers, community gatherings, music, and shared meals following the conclusion of the Month of Fasting. ... In 2027, the Birth of the Báb is observed on October 30 and the Birth of Baháʼu'lláh on October 31."},{"url":"https://bahaidailycalendar.com/calendar-pdf","title":"Baháʼí Calendar 2026–2027 PDF — Free Printable (English)","snippet":"Download the Baháʼí (Badíʻ) calendar for 2026–2027 as a free printable PDF in English — no signup. Two files: a one-page sheet of every Holy Day with both years’ Gregorian dates, and the official Baháʼí World Centre table of Naw-Rúz, Feast and Holy Day dates for 172–221 B.E."},{"url":"https://orsl.usc.edu/life/bahai-holy-days-calendar/","title":"Baha’i Holy Days Calendar – Office of Religious and Spiritual Life","snippet":"The Bahá’í Holy Days are set and move according to a solar calendar."}],"infobox":{"Type":"Calendar System","Used By":"Baháʼí Faith","Structure":"19 months × 19 days + 4-5 intercalary days","Year Begins":"Spring equinox (March 20-21)","Also Known As":"Badíʻ Calendar","Calendar Type":"Solar","Reference Location":"Tehran, Iran"},"metadata":{"tags":["bahai-faith","religious-calendar","solar-calendar","persian-culture","spiritual-practices"],"quality":{"status":"generated","reviewed_by":[],"flagged_issues":[]},"category":"Society","difficulty":"intermediate","subcategory":"Religious Practices"},"model_used":"anthropic/claude-sonnet-4","revision_number":1,"view_count":3,"related_topics":[],"sections":["Baháʼí Calendar","Structure and Design","Historical Origins","Holy Days and Observances","Practical Implementation","Cultural and Spiritual Significance","Related Topics","Summary"]}