If 2020 feels a bit long to you, blame it on the Leap Year.

Every four years, give or take a couple, we tack an extra day onto February. The Gregorian calendar is an accurate measurement of time, but according to Johns Hopkins professors Steve Hanke and Richard Conn Henry, it creates a whole host of other problems.

It's confusing, Hanke told USA TODAY, and he argues that it hinders productivity in the workforce.

Their solution? A new calendar that never changes, except for the years that have what Hanke calls Leap Weeks.

But before we explain their calendar system, it's worth providing context on the origins of the Leap Day.

Where did Leap Day come from?

You have Julius Caesar to thank for that.

As early as 45 B.C., the Roman ruler — aided by the astronomer Sosigenes, per Britannica — decreed that a day be added every four Februaries, based on the understanding that every year is essentially 365.25 days. But that's not entirely accurate: A true solar year is 365.2422 years, according to NASA. As a result, the seasons started a day earlier every century after the Julian calendar — as it was named after Caesar — was enacted.

By 1582, when Pope Gregory XIII was at the helm of the Catholic Church, the calendar was essentially two weeks early. As a result, he eradicated 10 days from the month of October that year in order to more accurately correspond with the accurate calculation of a year's length.

And to make his new calendar — the Gregorian calendar, which is still in use today — more accurate, Pope Gregory established the rule that years ending in double zeros, and not divisible by 400, would not count as leap years. 2000 and 2400 are leap years; 1800, 1900, and 2100 are not.

The changes eventually stuck: England began using the Gregorian calendar in 1752, per Britannica, while Japan adopted it in 1873 and the then-Soviet Union adjusted its calendar in 1918.

Get rid of the Gregorian calendar entirely

Hanke and Henry call their iteration of the calendar the Hanke Henry Permanent Calendar.

The idea of a standard, worldwide calendar, Hanke notes, isn't exactly new: Both the League of Nations, and later, the United Nations, have introduced the notion — but have all failed because they don't "preserve the seven-day Sabbath cycle" that underpins Christianity, Islam and Judaism like their calendar does.

Its biggest benefit, Hanke told USA TODAY, is the "simplicity and usability" of their calendar. Nearly every year is 364 days long, and split into 4 quarters, each 91 days. The first two months of each quarter are 30 days long, and the third month is 31 days.

Every date falls on the same day every year; the new year begins on a Monday every year.

The key to their calendar is that all federal holidays, with the exception of the 4th of July and Thanksgiving, would fall on a Monday.

"The simplicity of this comes into long weekends," he said. "You don't have a holiday in a herky-jerky way, falling on different days depending on the year."

Having holidays fall mid-week, which is the case for Gregorian calendars, is costly in regard to lost productivity.

But what about the time discrepancy of their 364-day calendar? The HHPC's solution is to create a new, weeklong month called Xtr (short for Extra). Hanke dubs it a "Leap Week" that would take place every five or six years.

He argues that it's essentially a free vacation week — one that you would take during the holiday season anyway.

When you'd normally take an extra few days around Christmas and New Year's, you would get this extra week and it'd basically be a freebie — an extra vacation week," he said. "People would love that."

For what it's worth, if President Donald Trump signs an executive order to enact it in the United States (which they've already drafted), Hanke and Henry would call it the Trump calendar: "He knows very well what branding is."

Contributing: Jim Beckerman, NorthJersey.com. Follow Joshua Bote on Twitter: @joshua_bote