Unicode Character "Ο" (U+039F)

The character Ο (Greek Capital Letter Omicron) is represented by the Unicode codepoint U+039F. It is encoded in the Greek and Coptic block, which belongs to the Basic Multilingual Plane. It was added to Unicode in version 1.1 (June, 1993). It is HTML encoded as Ο.

Main Unicode Properties

Name Greek Capital Letter Omicron
Unicode Codepoint U+039F
Unicode Version 1.1 (June, 1993)
Block Greek and Coptic
Plane Basic Multilingual Plane

Bidirectional Data

Bidirectional class Left To Right (L)
Is mirrored? No

Character Case

Case Uppercase
Lowercase character ο (U+03BF)

Other Unicode Data

Category Uppercase Letter
Script Greek
Combining Class Not Reordered

U+039F Conversion

HTML (decimal) Ο
HTML (hex) Ο
HTML (named) Ο
URL Escape Code %CE%9F
CSS \00039F
JavaScript, JSON \u039F
C, C++, Java \u039F
Python \u039F
Rust \u{039F}
Ruby \u039F

How to type "Ο"

  • Windows ?: Hold Alt, then type 0 3 9 F. Release Alt.
  • Mac ?: Hold Alt ⌥, then type 0 3 9 F. Release Alt.


  • Ο
    Times, Times New Roman, serif
  • Ο
    Helvetica, Arial, sans-serif
  • Ο
    Courier, Courier New, monospace

UTF Encodings

UTF-8 (hex) 0xCE 0x9F
UTF-16 (hex) 0x039F
UTF-32 (hex) 0x0000039F

Characters based on "Ο" (U+039F)