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বাংলা E-Paper 📍 Dhaka 📅 Sunday | 4 October 2026, 19 Ashswin 1433 PID registration number 06

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Rare astronomical phenomenon: 3 Eids and 2 Hajj in a single year

Published : Sunday, 4 October, 2026 at 1:36 PM

Observer Online Report

Collected Photo

The Muslim world is set to witness a rare astronomical and calendar phenomenon as two Hajj pilgrimages and three Eid festivals fall within a single Gregorian calendar year in 2039.

Saudi climate and astronomy expert Dr Abdullah Al Misnad highlighted that the occurrence stems from the structural difference between the 354-day Hijri lunar calendar and the 365-day Gregorian solar calendar, which causes Hijri dates to advance by 10 to 11 days each year.

The year 2039 will begin with Eid-ul-Adha on January 6 (10 Dhul Hijjah 1460 AH), marking the culmination of the first Hajj season. Nearly 12 solar months later, the lunar cycle will complete another rotation, bringing a second Eid-ul-Adha on December 26 (10 Dhul Hijjah 1461 AH) and enabling a second Hajj season within the same Gregorian year.

Between these two festivals, Eid-ul-Fitr is expected to occur on October 19, bringing the total number of major Islamic celebrations in 2039 to three.

A similar shift in the lunar calendar will also cause two distinct Ramadan fasting periods to occur within a single solar year in 2030—the first starting in January and the second in December—a phenomenon last observed in 1997.

-SA

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Editor : Iqbal Sobhan Chowdhury

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