Complex sentence: The days from 25 December to 15 January are not considered to be working days for official government purposes, although the public counters of most government departments do open weekdays during this period, though often only a limited service may be available.
Split into simpler sentences: The days from 25 December to 15 January are not considered to be working days for official government purposes. The public counters of most government departments do open on weekdays during this period, though often only a limited service may be available.