Askai
Numbers
1 ichi
2 ni
3 san
4 shi or yon
5 go
6 roku
7 shichi or nana
8 hachi
9 ku, kyuu
10 juu
11 juu-ichi
12 juu-ni
13 juu-san
14 juu-yon or juu-shi
15 juu-go
16 juu-roku
17 juu-shichi or juu-nana
18 juu-hachi
19 juu-ku or juu-kyuu
20 ni-juu
21 ni-juu-ichi
~etc~
When talking about time, you will add "ji" to the end of the number. In some cases, the numbers are altered a little.
ichi-ji one o'clock
ni-ji two o'clock
san-ji three o'clock
yo-ji four o'clock *you do not say yon-ji, and you don't say shi-ji
go-ji five o'clock
roku-ji six o'clock
shichi-ji seven o'clock *some people say nana-ji
hachi-ji eight o'clock
ku-ji nine o'clock *never kyuu-ji
juu-ji ten o'clock
juu-ichi-ji eleven o'clock
juu-ni-ji twelve o'clock
ni-ji han 2:30 (han means half)
gozen am
gogo pm
Nanji desuka. What time is it?
Gozen ni-ji han desu. It is 2:30 am.
asa morning
hiru afternoon
yuugata evening
yoru night one ichi 一
two ni 二
three san 三
four shi 四
five go 五
six roku 六
seven shichi 七
eight hachi 八
nine ku 九
ten juu 十
11 juu-ichi 十一
12 juu-ni 十二
13 juu-san 十三
14 juu-yon or juu-shi 十四
15 juu-go 十五
16 juu-roku 十六
17 juu-shichi or juu-nana 十七
18 juu-hachi 十八
19 juu-ku or juu-kyuu 十九
20 ni-juu 二十
21 ni-juu-ichi 二十一
ichi-ji one o'clock 一時
ni-ji two o'clock 二時
san-ji three o'clock 三時
yo-ji four o'clock *you do not say yon-ji, and you don't say shi-ji 四時
go-ji five o'clock 五時
roku-ji six o'clock 六時
shichi-ji seven o'clock *some people say nana-ji 七時
hachi-ji eight o'clock 八時
ku-ji nine o'clock *never kyuu-ji 九時
juu-ji ten o'clock 十時
juu-ichi-ji eleven o'clock 十一時
juu-ni-ji twelve o'clock 十二時
ni-ji han 2:30 (han means half)
gozen am 午前
gogo pm 午後
Nanji desuka. What time is it? 何時ですか
Gozen ni-ji han desu. It is 2:30 am. 午前二時半です
asa morning 朝
hiru afternoon 昼
yuugata evening 夕方
yoru night 夜
there ya go!