This character is a Other Letter and is mainly used in the Han script. The Unihan Database defines it as 5th heavenly stem. Its Pīnyīn pronunciation is wù.
The glyph is not a composition. Its East Asian Width is wide. In bidirectional text it is written from left to right. When changing direction it is not mirrored. U+620A offers a line break opportunity at its position, except in some numeric contexts.
The Wikipedia has the following information about this codepoint:
The ten Heavenly Stems (or Celestial Stems) are a system of ordinals indigenous to China and used throughout East Asia, first attested c. 1250 BCE during the Shang dynasty as the names of the ten days of the week. They were also used in Shang-era rituals in the names of dead family members, who were offered sacrifices on the corresponding day of the Shang week. Stems are no longer used as names for the days of the week, but have acquired many other uses. Most prominently, they have been used in conjunction with the associated set of twelve Earthly Branches in the compound sexagenary cycle, an important feature of historical Chinese calendars.
Representations
System
Representation (click value to copy)
Nº
25098
UTF-8
E6 88 8A
UTF-16
62 0A
UTF-32
00 00 62 0A
URL-Quoted
%E6%88%8A
HTML hex reference
戊
Wrong windows-1252 Mojibake
戊
Encoding: BIG5 (hex bytes)
A5 B3
Encoding: BIG5HKSCS (hex bytes)
A5 B3
Encoding: CP932 (hex bytes)
95 E8
Encoding: CP949 (hex bytes)
D9 E6
Encoding: CP950 (hex bytes)
A5 B3
Encoding: EUC_JP (hex bytes)
CA EA
Encoding: EUC_JIS_2004 (hex bytes)
CA EA
Encoding: EUC_JISX0213 (hex bytes)
CA EA
Encoding: EUC_KR (hex bytes)
D9 E6
Encoding: GB2312 (hex bytes)
CE EC
Encoding: GBK (hex bytes)
CE EC
Encoding: GB18030 (hex bytes)
CE EC
Encoding: HZ (hex bytes)
7E 7B 4E 6C 7E 7D
Encoding: ISO2022_JP (hex bytes)
1B 24 42 4A 6A 1B 28 42
Encoding: ISO2022_JP_1 (hex bytes)
1B 24 42 4A 6A 1B 28 42
Encoding: ISO2022_JP_2 (hex bytes)
1B 24 42 4A 6A 1B 28 42
Encoding: ISO2022_JP_2004 (hex bytes)
1B 24 42 4A 6A 1B 28 42
Encoding: ISO2022_JP_3 (hex bytes)
1B 24 42 4A 6A 1B 28 42
Encoding: ISO2022_JP_EXT (hex bytes)
1B 24 42 4A 6A 1B 28 42
Encoding: ISO2022_KR (hex bytes)
1B 24 29 43 0E 59 66 0F
Encoding: JOHAB (hex bytes)
E7 E6
Encoding: SHIFT_JIS (hex bytes)
95 E8
Encoding: SHIFT_JIS_2004 (hex bytes)
95 E8
Encoding: SHIFT_JISX0213 (hex bytes)
95 E8
Pīnyīn
wù
RFC 5137
\u'620A'
Bash and Zsh inside echo -e
\u620A
C and C++
\u620A
C#
\u620A
CSS
\00620A
Excel
=UNICHAR(25098)
Go
\u620A
JavaScript
\u620A
Modern JavaScript since ES6
\u{620a}
JSON
\u620A
Java
\u620A
Lua
\u{620A}
Matlab
char(25098)
Perl
"\x{620A}"
PHP
\u{620a}
PostgreSQL
U&'\620A'
PowerShell
`u{620A}
Python
\u620A
Ruby
\u{620a}
Rust
\u{620a}
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