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Islamic calendar - Wikipedia
Islamic calendar - Wikiwand
Hijri year - Wikipedia
Islamic calendar - Simple English Wikipedia, the free encyclopedia
Islamic Calendar - timeanddate.com
Islamic calendar | Months, Definition, & Facts | Britannica
List of Islamic years - Wikipedia
Understanding the Islamic Calendar and Its Significance - 877-WHY-ISLAM
List of observances set by the Islamic calendar - Wikipedia
Tabular Islamic calendar - Wikiwand