MarchApril

MarchApril is a portmanteau that combines the names of the two adjacent months, March and April. It is used to denote the transitional period between late winter and early spring, particularly in the Northern Hemisphere, when weather can swing between cold and warm and the calendar boundaries feel less decisive than the climate.

MarchApril appears in English-language discourse as a flexible label for a time window around the vernal equinox, commonly around March 20–21. It is not an official calendar designation; rather, it functions as a descriptive concept for planning and analysis across disciplines such as meteorology, agriculture, and event coordination.

In practice, MarchApril is associated with uncertain weather, variable precipitation, and the start of seasonal growth in plants, affecting planting schedules and risk management. The period often features rapid changes in temperature and moisture, which can influence both everyday life and agricultural decisions.

In culture and commerce, MarchApril has been adopted as a brand or project name in music, design, and literature, where it signals transition, renewal, or ambiguity. Because it is non-specific, its interpretation varies by context and community.

See also: Spring, Vernal equinox, Transition season.