U+0638 "ظ" Arabic Letter Zah Unicode Character

Unicode Version 17.0

ظ

U+0638 "ظ" Arabic Letter Zah is the twenty-seventh letter of the Arabic alphabet and represents the emphatic voiced dental fricative sound, similar to the "th" in "this" but produced with the tongue pressed firmly against the upper teeth. It is part of the Arabic script used in languages such as Arabic, Persian, and Urdu, where it appears in words like "ظلام" (darkness) and "ظريف" (pleasant). In the Unicode standard, it is categorized under the Arabic block and is encoded with a right-to-left directionality, reflecting its usage in scripts that flow from right to left.

General Properties

Code Point U+0638
Version Added 1.1
Name Arabic Letter Zah
Unicode 1.0 Name Arabic Letter Dhah
Block Arabic
General Category Other Letter
Canonical Combining Class Not Reordered
Bidirectional Class Arabic Letter

Encodings

HTML Decimal Encoding ظ
HTML Hex Encoding ظ
UTF-8 Encoding 0xD8 0xB8
UTF-16 Encoding 0x0638
UTF-32 Encoding 0x00000638
C/C++/Java Escape \u0638

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
NFKC Quick Check Yes
NFKD Quick Check Yes
Numeric Type None
Numeric Value NaN
Joining Type Dual Joining
Joining Group Tah
Line Break Alphabetic
Script Arabic
Script Extensions Arabic
Indic Syllabic Category Other
ID Start Yes
XID Start Yes
ID Continue Yes
XID Continue Yes
Alphabetic Yes
Vertical Orientation Rotated
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Alphabetic letter
Sentence Break OLetter