Moon and Sun Letters in Arabic

Key Takeaways

Arabic has 28 letters divided into 14 sun letters (حروف شمسية) and 14 moon letters (حروف قمرية).

Sun letters cause the “ل” in “ال” to assimilate completely, doubling the following letter with a shaddah.

Moon letters keep the “ل” in “ال” clearly pronounced, producing a clean, distinct lam sound.

The word الشَّمْس (sun) begins with a sun letter; القَمَر (moon) begins with a moon letter — a built-in memory tool.

Mastering sun and moon letters is foundational for correct Arabic pronunciation, grammar, and Quranic recitation.

When Arabic learners first encounter the definite article “ال” (al-), they quickly discover it doesn’t always sound the same. Sometimes the “ل” disappears into the next letter — and sometimes it rings out clearly.

Arabic has 14 sun letters (حروف شمسية) and 14 moon letters (حروف قمرية). Sun letters assimilate the lam of “ال,” doubling the first letter of the word. 

Moon letters leave it unchanged. This single distinction controls how every definite noun sounds in Arabic — spoken, written, and recited.

What Are Moon and Sun Letters in Arabic?

Moon and sun letters in Arabic describe how the 28 Arabic letters interact with the definite article “ال.” The 14 moon letters (حروف قمرية) keep the lam audible. The 14 sun letters (حروف شمسية) cause the lam to assimilate silently into the following letter, which receives a shaddah (ّ). This rule governs pronunciation in every definite Arabic noun.

Understanding this distinction is not optional — it affects every sentence a student reads, speaks, or recites. 

In our Online Arabic Classes at Buruj Academy, this is among the first rules our Al-Azhar-trained instructors introduce, because mispronouncing the definite article creates errors in every single definite phrase a student produces.

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What Are the Named Moon and Sun Letters in Arabic?

The names themselves are the best memory tool available. الشَّمْس (ash-shams, the sun) begins with the letter “ش” — a sun letter, so the lam assimilates: ash-shams. القَمَر (al-qamar, the moon) begins with “ق” — a moon letter, so the lam stays: al-qamar. Classical Arabic scholars used these two words to name the entire system.

How Many Sun Letters Are There in Arabic?

There are exactly 14 sun letters in Arabic. Each one shares a point of articulation (makhraj) close to or overlapping with the lam (ل), which is why the lam naturally assimilates into them during connected speech.

#	Sun Letter	Name	Example with ال	Pronunciation
1	ت	Ta	التِّجَارَة	at-tijārah
2	ث	Tha	الثَّوْب	ath-thawb
3	د	Dal	الدِّين	ad-dīn
4	ذ	Dhal	الذَّهَب	adh-dhahab
5	ر	Ra	الرَّحْمَة	ar-rahmah
6	ز	Zay	الزَّمَان	az-zamān
7	س	Sin	السَّلَام	as-salām
8	ش	Shin	الشَّمْس	ash-shams
9	ص	Sad	الصَّبْر	as-sabr
10	ض	Dad	الضَّوْء	ad-daw’
11	ط	Ta	الطَّرِيق	at-tarīq
12	ظ	Dha	الظُّلْم	adh-dhulm
13	ل	Lam	اللَّيْل	al-layl
14	ن	Nun	النُّور	an-nūr

The lam itself is a sun letter — when “ال” precedes a word beginning with lam, the two lams merge into one doubled lam. الليل (al-layl, the night) demonstrates this clearly in recitation.

What Are the 14 Moon Letters in Arabic?

The 14 moon letters are those after which the lam of “ال” remains fully pronounced. Their articulation points are distant from the lam’s, making assimilation phonetically unnecessary in classical Arabic phonology.

#	Moon Letter	Name	Example with ال	Pronunciation
1	ا	Alif	الأَرْض	al-ard
2	ب	Ba	البَيْت	al-bayt
3	ج	Jim	الجَنَّة	al-jannah
4	ح	Ha	الحَمْد	al-hamd
5	خ	Kha	الخَيْر	al-khayr
6	ع	Ayn	العِلْم	al-‘ilm
7	غ	Ghayn	الغَيْب	al-ghayb
8	ف	Fa	الفَجْر	al-fajr
9	ق	Qaf	القَمَر	al-qamar
10	ك	Kaf	الكِتَاب	al-kitāb
11	م	Mim	المَاء	al-mā’
12	و	Waw	الوَقْت	al-waqt
13	ه	Ha	الهُدَى	al-hudā
14	ي	Ya	اليَوْم	al-yawm

Notice the range: letters from the throat (ع، غ، ح، خ), the lips (ب، م، و، ف), and the back of the mouth (ق، ك) are all moon letters — their distance from the lam’s articulation point explains why assimilation does not occur.

Sun Letters and Moon Letters in Arabic with Meaning

The most powerful place to observe this rule is the Quran itself, where precision of pronunciation is an act of worship. Every definite phrase follows sun and moon letter rules without exception.

Moon Letter Example from Surah Al-Fatihah

اَلْحَمْدُ لِلَّهِ رَبِّ الْعَالَمِينَ

Al-hamdu lillāhi rabbil-‘ālamīn

“All praise is due to Allah, Lord of the worlds.” (Al-Fatihah 1:2)

الحَمْد begins with ح (Ha) — a moon letter. The lam is fully audible: al-hamd. الْعَالَمِينَ begins with ع (Ayn) — also a moon letter: al-‘ālamīn. Both lams ring clearly.

Sun Letter Example from Surah Ash-Shams

وَالشَّمْسِ وَضُحَاهَا

Wash-shamsi wa duhāhā

“By the sun and its brightness.” (Ash-Shams 91:1)

الشَّمْس begins with ش (Shin) — a sun letter. The lam assimilates completely: wash-shams, not wal-shams. The shaddah on the shin is obligatory in correct recitation.

In our Tajweed sessions at Buruj Academy, we use this surah specifically because it opens with a definitive sun letter example — students hear the rule actively at work in a short, familiar surah they have often memorized.

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Sun and Moon Letters Examples with Meaning

Seeing this rule in common vocabulary reinforces it far more effectively than abstract charts alone. Below are everyday Arabic words organized to show both categories in practical use.

Arabic Word	Meaning	Sun/Moon Letter	Pronunciation
الرَّجُل	The man	Sun (ر)	ar-rajul
الطَّالِب	The student	Sun (ط)	at-tālib
النَّهَار	The day	Sun (ن)	an-nahār
الدُّنْيَا	The world	Sun (د)	ad-dunyā
الكِتَاب	The book	Moon (ك)	al-kitāb
البَيْت	The house	Moon (ب)	al-bayt
الوَلَد	The boy	Moon (و)	al-walad
الفَجْر	The dawn	Moon (ف)	al-fajr

Building vocabulary through this paired lens — word meaning alongside its definite article pronunciation — is a method our instructors at Buruj Academy apply consistently in our Arabic for Beginners course. Students retain the rule faster when it is attached to words they are already learning.

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How to Memorize Sun and Moon Letters Reliably?

Rote memorization of two lists is the least effective strategy. The following methods work because they tie the rule to phonetic reality and visual pattern recognition.

Method One: Group by Articulation Point

Sun letters cluster around the front of the mouth and the tip of the tongue — the same region as the lam itself. Moon letters span the throat, back of the mouth, and lips. Students who understand why assimilation happens internalize the rule, not just the list.

Method Two: Use the Built-In Mnemonic

الشَّمْس (ash-shams) assimilates — sun letter. القَمَر (al-qamar) does not — moon letter. These two words are the rule’s own self-demonstration. Every time a student says “the sun” in Arabic, they practice a sun letter. Every “the moon” is a moon letter example.

Method Three: Practice with High-Frequency Quranic Phrases

Short surahs and daily adhkar (remembrances) contain dense concentrations of definite nouns. الرَّحْمَن (ar-rahmān), النَّاس (an-nās), الفَلَق (al-falaq) — listening and repeating with a qualified instructor builds the phonetic pattern instinctively. 

Our Arabic Alphabet Learning Course at Buruj Academy dedicates structured practice time to exactly this type of auditory reinforcement before students encounter the rule in written form.

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Sun and Moon Letters for Kids: Age-Appropriate Learning Approaches

Children learn this rule most effectively through sound and pattern — not grammatical explanation. The assimilation is fundamentally auditory, which gives children a natural advantage when the teaching method prioritizes listening before labeling.

In our Online Arabic Classes for Kids, instructors introduce sun and moon letters through color-coded flashcards: sun letters in yellow, moon letters in blue. Children sort familiar words by color before ever naming the rule. 

By the time the grammatical term is introduced, the distinction already feels natural.

For parents supporting home learning, the most effective practice is reading Surah Al-Ikhlas, Al-Falaq, and An-Nas aloud slowly together. An-Nās alone — الناس، الناس، الناس — repeats a sun letter word three times, giving young learners immediate repetition in a memorized context.

Resources like our guide on learning Arabic words for kids and our collection of Arabic games for kids offer additional reinforcement activities that make this phonological distinction stick without formal drilling.

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Free Downloadable PDF for Sun and Moon Letters in Arabic Worksheet

Structured practice materials — worksheets and organized PDF references — remain among the most requested resources for this topic. Effective worksheets follow a specific progression:

Level 1 — Recognition: A list of definite Arabic words; students circle whether the first letter is a sun or moon letter.

Level 2 — Pronunciation marking: Students add or remove the shaddah marker on the letter following “ال” based on correct classification.

Level 3 — Dictation: The instructor pronounces definite nouns; students write them with correct “ال” and shaddah placement.

This three-level progression — recognition, writing, then dictation — mirrors the approach we recommend in Buruj Academy’s Arabic dictation improvement guide, where building writing accuracy through sound before script is central to the method.

Buruj Academy · Sun&Moon Letters WORKSHEET.pdf

For a well-organized moon and sun letters in Arabic PDF reference, a clean two-column table of all 28 letters with their category, example word, and pronunciation is the most practical format. 

Students keep it accessible during reading practice until classification becomes automatic — which, in our instructors’ experience, typically happens within three to four weeks of daily reading practice.

Master Arabic Pronunciation with Buruj Academy’s Expert Instructors

Sun and moon letters sit at the heart of correct Arabic pronunciation. Mispronouncing the definite article affects every definite noun — and definite nouns appear in nearly every Arabic sentence and Quranic verse.

Buruj Academy’s Online Arabic Classes are taught by Al-Azhar University graduates with 12+ years of experience teaching non-Arabic speakers. Our context-before-abstraction method ensures students hear and produce correct sounds before encountering written rules — eliminating the most common pronunciation errors from the start.

• Personalized 1-on-1 sessions with flexible 24/7 scheduling
• Real-time pronunciation correction from Ijazah-certified instructors
• Proven progression from alphabet to fluent Arabic reading

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Conclusion

Sun and moon letters are not a minor detail — they shape how every definite noun sounds in Arabic and in Quranic recitation. The rule is consistent, logical, and deeply connected to Arabic phonology. 

Once a student understands why assimilation happens, rather than simply memorizing which letters are which, the distinction becomes instinctive.

Approached correctly — with sound first, script second, and consistent practice in real Arabic contexts — this rule moves from confusion to confidence quickly. Insha’Allah, with the right guidance and regular practice, it becomes one of the most natural features of Arabic pronunciation.

Frequently Asked Questions About Moon and Sun Letters in Arabic