dubbellön

Noun

 * 1) payment or reception of two salaries
 * 2) the coincidence of two, otherwise separate, paydays
 * 1) the coincidence of two, otherwise separate, paydays

Usage notes
In Sweden the coincidence of two major paydays often occur when the 27th (municipal sector payday) falls on a Sunday, bringing forward that payday to Friday the 25th (private sector payday).