Base Period - Base Table

Base Period wages typically establish monetary eligibility for Unemployment Compensation (UC). The “Regular Base Period” comprises the first four of the last five completed calendar quarters preceding a claim’s effective date.

Note: Unlike the alternate base period, the regular base period doesn’t use "lag quarter" wages.

Your claim’s effective date controls your base period—not the date you become unemployed. For instance, if your claim goes into effect during January, February, or March, your base period is the first three quarters in the last year plus the last quarter of the previous year. Even if your claim takes effect March 31, the quarter’s last day, your base period consists of the first three quarters in last year plus the previous year’s last quarter.

The alternate base period includes the four most recently completed calendar quarters, including "lag quarter" wages - the most recently completed quarter preceding a new claim’s effective date.

Note: To use the alternate base period, no wages from federal, military, or out-of-state employment can be missing.

Base Period Calculator

Claim's Effective Date:

Base Period Table

Effective Date of ClaimBase Period
Current YearYear Before LastLast YearCurrent Year
January
February
March
October
November
December
January
February
March
April
May
June
July
August
September
Not base periodNot base periodNot base period
April
May
June
Not base period January
February
March
April
May
June
July
August
September
October
November
December
Not base periodNot base period
July
August
September
Not base periodNot base period April
May
June
July
August
September
October
November
December
January
February
March
Not base period
October
November
December
Not base periodNot base periodNot base period July
August
September
October
November
December
January
February
March
April
May
June