To find the day-name of 31st March 2025, we can use Zeller’s Congruence formula. This formula calculates the day of the week for any given date. The formula takes into account the day, month, and year of the date in question. By plugging in the values of 31 for the day, 3 for the month (March), and 2025 for the year into the formula, we can determine the day-name for this particular date.

Knowing the day-name of a specific date like the 31st of March, 2025, is important for a variety of reasons. It helps in scheduling events, planning meetings, setting deadlines, and organizing personal or professional tasks. Understanding which day of the week a date falls on enables individuals to manage their time effectively and coordinate activities efficiently.

Manually calculating the day-name involves following a few steps. Begin by adjusting the month value as January and February are treated as months 13 and 14 of the previous year in Zeller’s Congruence formula. Then, apply the formula [(day + ((13 * month – 1) / 5) + year + (year / 4) – (year / 100) + (year / 400)) mod 7]. This computation will yield a number corresponding to the day of the week, which can be matched to the respective day-name.

By using Zeller’s Congruence formula or a similar method, anyone can determine the day of the week for a specific date such as the 31st of March, 2025. This calculation provides valuable information that can be utilized for organizing schedules, planning activities, and ensuring efficient time management. Mastering the skill of finding day-names manually is not only practical but also adds a touch of mathematical curiosity and precision to the process of date interpretation.