Time and Seasons
The question "when?" opens up many answers and includes the time of the day, days of the week, months of the year and seasons. Once you understand the arrangements you've made, you won't be late or miss any appointments again (we hope).
If you haven't learned your numbers thoroughly yet, now would be a good time.
Time of the day
Days of the week
Months of the year
Days and time
Seasons - Ritu - ऋतु
Learn the six seasons in Hindi.