This section explores how we measure days, months, and years using calendars, with a special focus on leap years and date formats.
A Leap Year is a year that has one additional day, making it 366 days instead of the usual 365 days. This extra day is added to the end of February, making it 29 days long instead of 28.
Dates can be written in different formats, most commonly the DD/MM/YYYY format (Day/Month/Year).
Different communities use different traditional calendars alongside the standard solar (English/Gregorian) calendar, such as:
These calendars often track lunar cycles, marking important phases like the New Moon and Full Moon to determine the start of months and festival dates.
Understanding the 24-hour cycle of a day and how daily activities are distributed across time.
A single day consists of exactly 24 hours, which represents the time from one morning (e.g., 6 o'clock morning) to the next morning.
To distinguish between morning and night times on a standard 12-hour clock, we use AM and PM:
Digital clocks often display time in a 24-hour format to avoid confusion between AM and PM:
This section covers measuring smaller intervals of time and understanding fractions of an hour.
To find the duration of an activity, calculate the difference between the start time and the end time.
An hour can be divided into smaller fractional parts:
When reading an analog clock, pay close attention to both the hour hand (shorter) and the minute hand (longer):