Denshi Jisho — Online Japanese dictionary

Found information for these kanji:

8 strokes
Taught in grade 1
304 of 2500 most used kanji in newspapers
Radical: 穴 (KanXi: 116)
Parts:

Readings

Japanese kun: あ.きあ.くあ.けるからす.かすす.くそらむな.しい
Japanese on: クウ
Japanese names: うつ、 、 く
Chinese: kong1, kong4
Korean: gong

English meanings

empty;
sky;
vacant;
vacuum;
void;

Spanish meanings

atmósfera;
cielo;
quedarse vacío;
vacante;
vaciar;
vacío;

Portuguese meanings

ceú;
desocupado;
esvaziar;
vácuo;
vazio;

French meanings

ciel;
creux;
vacant;
vide;

Stroke order

Dictionary indices

65A Guide To Reading and Writing Japanese
66A Guide To Reading and Writing Japanese 3rd ed.
15A Guide To Remembering Japanese Characters
233A New Dictionary of Kanji Usage
3317Classic Nelson
25415Daikanwa Jiten (Morohashi) (Volume 8, page 643)
184Essential Kanji
2.17Japanese for Busy People
77Japanese Kanji Flashcards
723Japanese Names
140Kanji and Kana
461Kanji in Context
1418Kanji Learners Dictionary
1452Kodansha Compact Kanji Guide
1327Les Kanjis dans la tete
2227New Japanese English Character Dictionary
4192New Nelson
1317Remembering The Kanji
304The Kanji Way to Japanese Language Power
73Tuttle Kanji Cards

Classifications

7722001 Kanji
3010.1Four corner code
3m5.12The Kanji Dictionary
2-3-5SKIP code
2-5-3SKIP code

Codepoints

22-85JIS X 0208-1997 kuten code
7a7aUnicode hex code

12 strokes
Taught in grade 2
33 of 2500 most used kanji in newspapers
Radical: 門 (KanXi: 169)
Parts:

Readings

Japanese kun: あいあいだ
Japanese on: カンケン
Japanese names: ちか、 、 はざ、 はし
Chinese: jian1, jian4
Korean: gan

English meanings

interval;
space;

Spanish meanings

espacio;
habitación;
intervalo;

Portuguese meanings

espaço;
intervalo;

French meanings

espace;
intervalle;

Stroke order

Dictionary indices

58A Guide To Reading and Writing Japanese
100A Guide To Reading and Writing Japanese 3rd ed.
92A Guide To Remembering Japanese Characters
27A New Dictionary of Kanji Usage
4949Classic Nelson
41249Daikanwa Jiten (Morohashi) (Volume 11, page 733)
174Essential Kanji
2.7Japanese for Busy People
96Japanese Kanji Flashcards
1822Japanese Names
43Kanji and Kana
161Kanji in Context
2094Kanji Learners Dictionary
1841Kodansha Compact Kanji Guide
1634Les Kanjis dans la tete
3323New Japanese English Character Dictionary
6391New Nelson
1620Remembering The Kanji
31The Kanji Way to Japanese Language Power
215Tuttle Kanji Cards

Classifications

38782001 Kanji
7760.7Four corner code
8e4.3The Kanji Dictionary
3-8-4SKIP code

Codepoints

20-54JIS X 0208-1997 kuten code
9593Unicode hex code