An event that occurs every 18 months is often referred to as a "biennial" event, although "biennial" typically means every two years. In a more specific context, it may be described as an "18-month cycle" or "semiannual" depending on the nature of the event. In scientific or astronomical contexts, specific terms might be used to denote cycles of that length, but there isn't a widely recognized single term for an 18-month event.
biannual
One in every two times.
Every three months is called a quarter. And there are four quarters in a year.
a persons birthday on the day of a leap year
Six times a year is referred to as "biannual" or "semiannual." This term indicates that an event occurs twice within a single year, typically at intervals of about six months. However, it's important to note that "biannual" can sometimes be confused with "biennial," which means every two years.
Annual event
A eight day festival called "Paryushan Parv" is regarded as major event for the Jains. It occurs in the months of August-September every year.
biannual
Something that occurs TWICE a month is called SEMI monthly (semi=half) and something that occurs every TWO months is called BI-Monthly (BI=TWO)
An event that occurs every three months is known as a quarterly event. In a calendar year, there are four quarters, each lasting three months. Examples of quarterly events include financial reporting periods, earnings releases, and business reviews. These events are important for tracking progress and making strategic decisions throughout the year.
Yes. It occurs every year in Antarctica. Antarctica experiences months of continuous daylight, and then months of continuous night.
seasonal change
One in every two times.
An event that occurs once every three years.
Quarterly
An event that occurs bimonthly happens every two months or twice a month, depending on the context. It is important to clarify the specific frequency when using the term "bimonthly."
Every three months is called a quarter. And there are four quarters in a year.