This document provides an overview of numbers, time telling, and months in Japanese. It includes: 1) The Japanese characters and pronunciations for numbers 1-10 and 100 2) An explanation that putting a number before the character for time 時 yields a time of day (e.g. 一時 = one o'clock) 3) Examples of telling time, such as 二時四十五分 for 2:45 4) An explanation that putting a number before the character for moon 月 yields a month name.

1. Romaji
漢字 ­ Kanji ひらがな ­ Hiragana English Meaning
(English Letters)
一 いち ichi one
二 に ni two
三 さん san three
四 し、 よん shi (yon after 10) four
五 ご go five
六 ろく roku six
七 しち、 なな shichi (nana after 10) seven
八 はち hachi eight
九 きゅう kyuu nine
十 じゅう juu ten
百 ひゃく hyaku hundred
Put these numbers in front of the character for time 時 and you've got the time of the day.
Romaji
漢字 ­ Kanji ひらがな ­ Hiragana English Meaning
(English Letters)
一時 いちじ ichiji one o'clock
二時 にじ niji two o'clock
二時半 にじはん nijihan two thirty (半 means half)
二時四十五分 にじよんじゅうごふん nijiyonjuugofun 2:45 (分 means minute)
...etc.
Now just put the character for moon 月 after a number and you've got a month.
Romaji
漢字 ­ Kanji ひらがな ­ Hiragana English Meaning
(English Letters)
一月 いちがつ ichigatsu January
二月 にがつ nigatsu February
三月 さんがつ sangatsu March
四月 しがつ shigatsu April
...etc.