An Kalendaryo Gregoryano amo an ginkakarawat nga kalendaryo sibil han kanasuran. Siyahan gin proposar han ni Aloysius Lilius, nga ginmando ni Papa Gregorio XIII, kun diin ginngaranan an kalendaryo ha iya.

• Gregorian calendar on In Our Time at the BBC. (listen now)
• Calendar Converter
• Inter Gravissimas (Latin and French plus English)
• History of Gregorian Calendar Ginhipos 2014-01-06 han Wayback Machine
• The Perpetual Calendar Gregorian Calendar adoption dates for many countries.
• World records for mentally calculating the day of the week in the Gregorian Calendar
• The Calendar FAQ – Frequently Asked Questions about Calendars
• Today's date (Gregorian) in over 400 more-or-less obscure foreign languages Ginhipos 2017-06-29 han Wayback Machine