The D.C. City Council has announced the following public hearings on the mayor's proposed $2.27 billion budget for fiscal 1986. The hearings, which began Monday and continue through Feb. 27, take place in the council chambers on the fifth floor of the District Building, 1350 Pennsylvania Ave. NW.

Persons wishing to testify can call the secretary to the council at 724-8080.

Today, 10 a.m: Department of Employment Services, Disability Compensation Fund, Unemployment Compensation Fund, Apprenticeship Council, District of Columbia Chamber of Commerce, Washington Convention Center, Washington Convention and Visitors Association, Mayor's Committee to Promote the District of Columbia.

6 p.m: D.C. Public Schools.

Friday, 10 a.m: Department of Human Services, D.C. General Hospital subsidy, D.C. General Hospital Enterprise Fund, St. Elizabeths Hospital subsidy.

Tuesday, Feb. 19, 10 a.m.: District of Columbia Auditor, Council of the District of Columbia, Metropolitan Washington Council of Governments, Office of the Budget, Office of the Deputy Mayor for Financial Management, Office of Financial Management, Office of Planning and Development, Teachers' Retirement Fund, Additional Gross Pay Adjustments, Repayment of Loans and Interest, Payments of the General Fund Deficit, Capital Outlay General Fund, Energy Adjustments.

2 p.m.: Housing Finance Agency.

6 p.m.: District of Columbia Lottery and Charitable Games Control Board.

Wednesday, Feb. 20, 10 a.m.: D.C. Board of Parole, Department of Corrections, Public Defender Service, Commission on Judicial Disabilities and Tenure, Public Defender Service, Pretrial Services Agency, Board of Appeals and Review.

Thursday, Feb. 21, 10 a.m.: District of Columbia Court of Appeals, Superior Court of the District of Columbia, District of Columbia Court System, Office of Criminal Justice Plans and Analysis, District of Columbia Civilian Complaint Review Board, Judicial Nomination Commission, Office of the Corporation Counsel, Settlement of Claims and Suits, D.C. National Guard, Office of Emergency Preparedness, Law Revision Commission, Fire Department, Police and Firemen's Retirement System, Judges' Retirement System, Metropolitan Police Department.

2 p.m.: Department of Finance and Revenue, Board of Equalization and Review, FY 1986 budget financial plan.