As for time, there will be content in Grades 3 and 4, starting with the section in Grade 3. As for time, in the Grade 3 section, they will still only be interested in the part of time with the hours and minutes and the short hands. The long needles used are different colors and different sizes. clearly so that students can easily notice the difference and tell the time of day or The night that students will read uses the sun and moon symbols clearly to make it easy for students to tell the time when determining the start and end points. For this topic, the time will be told. Two types can be considered. The first method is to think of one hour at a time until it's close to the desired time and then add the remaining minutes. The second method is to add fractions of minutes from the beginning to a full hour first and then add additional minute intervals at the end. By using Number lines represent time for clear timekeeping. Problems with time It will be using knowledge in Regarding time comparisons, in order to compare times, the units should be made into the same unit first. In order to make it easier to compare, in Prathom 4, telling the time will still be the same as in Prathom 3, but there will be additional learning about the second hand. And for most of the problems, Compare the time it takes to find the answer as before, but adding months to the time. It is also an additional year for students to learn more than before.