Clock changes 2019: back to Standard Time on 25 March.
Standard Time is 4 hours behind Greenwich Mean Time (GMT-4)
Summer Time: GMT-3
Paraguay operates Daylight Saving Time. A presidential decree was issued in Paraguay (no. 10780) on 15th March 2013 that changed the DST period from the first Sunday in October to the fourth Sunday in March.
Paraguay President website: www.presidencia.gov.py (in Spanish)
The international dialling code for Paraguay is 595.