Downing Street has declared 9 June as the day when it will be announced whether the UK should join the euro. Here is the timetable:17-18 May:
Cabinet ministers receive 18 technical documents. These are assessments which the Treasury has promised will accompany its verdict on whether the five economic tests, which justify recommending joining the euro, have been met.
The prime minister and chancellor have joint discussions with cabinet members about those documents and studies.
Full cabinet has initial discussion about documents.
26 -30 May:
Downing Street gives cabinet members further assessment of the Treasury's five tests to read over the Whitsun break.
Further tri-lateral discussions between individual ministers and the prime minister and chancellor.
5 or 6 June:
Special Cabinet meeting for a final discussion on both the euro and the wider European strategy of the government.
Gordon Brown's self-imposed deadline of meeting a verdict on the euro.
Announcement on the euro made in the House of Commons.