Monday 月曜日getsuyōbi
Tuesday 火曜日kayōbi
Wednesday 水曜日suiyōbi
Thursday 木曜日mokuyōbi
Friday 金曜日kinyōbi
Saturday 土曜日doyōbi
Sunday 日曜日nichiyōbi
Today (adv) 今日kyō
Tomorrow (adv) 明日ashita
The day after tomorrow 明後日［あさって］ asatte
Yesterday (adv) 昨日kinō
The day beforeyesterday一昨日［おととい］ ototoi
Day 日nichi
Working day 営業日eigyōbi
Public holiday 公休kōkyū
Day off 休みyasumi
Weekend 週末shūmatsu
All day long 一日中ichi nichi chū
Next day (adv) 翌日yokujitsu
Two days ago 2日前にfutsu ka mae ni
The day before その前日にsono zenjitsu ni
Daily (adj) 毎日のmainichi no
Every day (adv) 毎日mainichi
Week 週shū
Last week (adv) 先週senshū
Next week (adv) 来週raishū
Weekly (adj) 毎週のmaishū no
Every week (adv) 毎週maishū
Twice a week 週に2回shūni nikai
Every Tuesday 毎週火曜日maishū kayōbi
January 一月ichigatsu
February 二月nigatsu
March 三月sangatsu
April 四月shigatsu
May 五月gogatsu
June 六月rokugatsu
July 七月shichigatsu
August 八月hachigatsu
September 九月kugatsu
October 十月jūgatsu
November 十一月jūichigatsu
December 十二月jūnigatsu
Spring 春haru
In spring 春にharu ni
Spring (as adj) 春のharu no
Summer 夏natsu
In summer 夏にnatsu ni
Summer (as adj) 夏のnatsu no
Fall 秋aki
In fall 秋にaki ni
Fall (as adj) 秋のaki no
Winter 冬fuyu
In winter 冬にfuyu ni
Winter (as adj) 冬のfuyu no
Month 月tsuki
This month 今月kongetsu
Next month 来月raigetsu
Last month 先月sengetsu
A month ago 一ヶ月前ichi kagetsu mae
In a month 一ヶ月後ichi kagetsu go
In two months 二ヶ月後ni kagetsu go
The whole month 丸一ヶ月maru ichi kagetsu
All month long 一ヶ月間ずっとichi kagetsu kan zutto
Monthly (~ magazine) 月刊のgekkan no
Monthly (adv) 毎月maitsuki
Every month 月1回tsuki ichi kai
Twice a month 月に2回tsuki ni ni kai
Year 年nen
This year 今年kotoshi
Next year 来年rainen
Last year 去年kyonen
A year ago 一年前ichi nen mae
In a year 一年後ichi nen go
In two years 二年後ni nen go
The whole year 丸一年maru ichi nen
All year long 通年tsūnen
Every year 毎年maitoshi
Annual (adj) 毎年のmaitoshi no
Annually (adv) 年1回toshi ichi kai
4 times a year 年に4回toshi ni yon kai
Date (e.g., today's ~) 日付hizuke
Date (e.g., ~ of birth) 年月日nengappi
Calendar カレンダーkarendā
Half a year 半年hantoshi
Six months 6ヶ月roku kagetsu
Season (summer, etc.) 季節kisetsu
Century 世紀seiki