Hi, Our country, Nicaragua, recently changed from a fixed CST time to a CDT time. The patch seems to be ready here: http://cvs.sourceforge.net/viewcvs.py/tcl/tcl/library/tzdata/America/Managua?rev=1.2&view=log Is posible to see a patch for FC3 and include it in the next FC4 release? Best Regards, Antonio Gallardo.