ဂရီဂိုရီးယန်း ပြက္ခဒိန်ပြောင်းလဲရန် အဆိုပြုထားသော ပုံစံများ အောက်ပါတို့သည် ဂရီဂိုရီးယန်း ပြက္ခဒိန်အား ပြောင်းလဲရန် အဆိုပြုထားချက်များ ဖြစ်သည်- Holocene calendar International Fixed Calendar (also called the International Perpetual calendar) ကမ္ဘာ့ပြက္ခဒိန် World Season Calendar Leap week calendars Pax Calendar Symmetry454 Hanke-Henry Permanent Calendar မှတ်စုများ ကိုးကား Blackburn, B. & Holford-Strevens, L. (1999). The Oxford Companion to the Year. Oxford University Press. ISBN 0-19-214231-3. Blackburn, B. & Holford-Strevens, L. (2003). The Oxford Companion to the Year: An exploration of calendar customs and time-reckoning, Oxford University Press. Coyne, G. V., Hoskin, M. A., Pedersen, O. (Eds.) (1983). Gregorian Reform of the Calendar: Proceedings of the Vatican Conference to Commemorate its 400th Anniversary, 1582–1982. Vatican City: Pontifical Academy of Sciences, Vatican Observatory (Pontificia Academia Scientarum, Specola Vaticana). Borkowski, K. M., (1991). "The tropical calendar and solar year", J. Royal Astronomical Soc. of Canada 85(3): 121–130. Barsoum, Ignatius A. (2003). The Scattered Pearls. Piscataway: Georgias Press. Duncan, D. E. (1999). Calendar: Humanity's Epic Struggle To Determine A True And Accurate Year. HarperCollins. ISBN 9780380793242. Gregory XIII. (2002 [1582]). Inter Gravissimas (W. Spenser & R. T. Crowley, Trans.). International Organization for Standardization. Meeus, J. & Savoie, D. (1992). The history of the tropical year. Journal of the British Astronomical Association, 102(1): 40–42. Morrison, L. V. & Stephenson, F. R. (2004). Historical values of the Earth's clock error ΔT and the calculation of eclipses. Journal for the History of Astronomy Vol. 35, Part 3, No. 120, pp. 327–336. Moyer, Gordon (May 1982). "The Gregorian Calendar". Scientific American, pp. 144–152. Moyer, Gordon (1983). "Aloisius Lilius and the Compendium Novae Rationis Restituendi Kalendarium". In Coyne, Hoskin, Pedersen (1983), pp. 171–188. Pedersen, O. (1983). "The Ecclesiastical Calendar and the Life of the Church". In Coyne, Hoskin, Pedersen (eds), Gregorian Reform of the Calendar: Proceedings of the Vatican Conference to Commemorate its 400th Anniversary. Vatican City: Pontifical Academy of Sciences, Specolo Vaticano, pp. 17–74. Richards, E. G. (1998). Mapping Time: The Calendar and its History. Oxford U. Press. Seidelmann, P. K. (Ed.) (1992). Explanatory Supplement to the Astronomical Almanac. Sausalito, CA: University Science Books. Walker, G. W. Easter Intervals. Popular Astronomy June 1945, Vol. 53, pp. 162 –178, 218–232. Available at . Ziggelaar, A. (1983). "The Papal Bull of 1582 Promulgating a Reform of the Calendar". In Coyne, Hoskin, Pedersen (eds), Gregorian Reform of the Calendar: Proceedings of the Vatican Conference to Commemorate its 400th Anniversary. Vatican City: Pontifical Academy of Sciences, Specolo Vaticano, pp. 201–239. ပြင်ပလင့်များ Calendar Converter Inter Gravissimas (Latin and French plus English) History of Gregorian Calendar 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 Category:ပြက္ခဒိန်။