Once you have master the pronunciation of Numbers that I have covered earlier, this section will be easy for you.

12.00 - Juuni ji
12.30 - Juuni ji han
12.45 - Juuni ji yonjuu go fun
Meaning : Ji (o’clock), Fun (Minute), Byou (Second)

1 minute - ippun
2 minute - nifun
3 minute - sanbun
4 minute - yonfun
5 minute - gofun
6 minute - roppun
7 minute - nanafun
8 minute - happun
9 minute - kyuufun
10 minute - juppun

On date, we use Nichi (Date aka Day), Getsu / Gatsu (Month), Nen (Year) & Youbi (Day). For Western, they use Month-Day-Year or Day-Month-Year but for Japanese, they use Year-Month-Day.
Example
19th December 2005 - 2005 nen juuni gatsu juukyuu nichi desu

For Day (Youbi), Japanese uses Moon (mon), Fire (tue), Water (wed), Wood (thur), Gold (fri), Earth (sat) and Sun (sun).
Monday - Getsu youbi
Tuesday - Ka youbi
Wednesday - Sui youbi
Thursday - Moku youbi
Friday - Kin youbi
Saturday - Do youbi
Sunday - Nichi youbi

Day after Tomorrow - Asatte
Tomorrow - Ashita
Today - Kyou
Yesterday - Kinou
Day before Yesterday - Ototoi

This Week - Konshuu, This Month (Kon getsu)
Next Week - Raishuu, Next Month (Rai getsu)
Last Week - Senshuu, Last Month (Sen getsu)

Let’s go for some conversation lesson :
Today is Monday - Kyou wa getsu youbi desu
What time we / you are going? - Nanji ni ikimasu ka?
Go at 3 o’clock - Sanji ni ikimasu
When is our meeting? - Kaigi wa itsu shimasu ka?

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