A common year starting on Sunday is any non-leap year (i.e. a year with 365 days) that begins on Sunday, 1 January, and ends on Sunday, 31 December. Its dominical letter hence is A. The most recent year of such kind was 2023, and the next one will be 2034 in the Gregorian calendar, or, likewise, 2018 and 2029 in the obsolete Julian calendar, see below for more.
Any common year that starts on a Sunday has two Friday the 13ths: those two in this common year occur in January and October.
Year 601 (DCI) was a common year starting on Sunday of the Julian calendar. The denomination 601 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 27 BC was either a common year starting on Sunday, Monday or Tuesday or a leap year starting on Monday of the Julian calendar (the sources differ, see leap year error for further information) and a common year starting on Sunday of the Proleptic Julian calendar. At the time, it was known as the Year of the Second Consulship of Octavian and Agrippa (or, less frequently, year 727 Ab urbe condita). The denomination 27 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 293 (CCXCIII) was a common year starting on Sunday of the Julian calendar. In the Roman Empire, it was known as the Year of the Consulship of Diocletian and Maximian (or, less frequently, year 1046 Ab urbe condita). The denomination 293 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
AD 41 (XLI) was a common year starting on Sunday of the Julian calendar. At the time, it was known as the Year of the Consulship of C. Caesar Augustus Germanicus and Cn. Sentius Saturninus (or, less frequently, year 794 Ab urbe condita). The denomination AD 41 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
1895 (MDCCCXCV) was a common year starting on Tuesday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1895th year of the Common Era (CE) and Anno Domini (AD) designations, the 895th year of the 2nd millennium, the 95th year of the 19th century, and the 6th year of the 1890s decade. As of the start of 1895, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
A leap year starting on Saturday is any year with 366 days (i.e. it includes 29 February) that begins on Saturday, 1 January, and ends on Sunday, 31 December. Its dominical letters hence are BA. The most recent year of such kind was 2000, and the next one will be 2028 in the Gregorian calendar or, likewise 2012 and 2040 in the obsolete Julian calendar. In the Gregorian calendar, years divisible by 400 are always leap years starting on Saturday. The most recent such occurrence was 2000 and the next one will be 2400, see below for more.
Any leap year that starts on Saturday has only one Friday the 13th: the only one in this leap year occurs in October. Common years starting on Sunday share this characteristic, but also have another in January. From August of the common year preceding that year until October in this type of year is also the longest period (14 months) that occurs without a Friday the 13th. Common years starting on Tuesday share this characteristic, from July of the year that precedes it to September in that type of year.
AD 69 (LXIX) was a common year starting on Sunday of the Julian calendar. In the Roman Empire, it was known as the Year of the consulship of Galba and Vinius (or, less frequently, year 822 Ab urbe condita). The denomination AD 69 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 1301 (MCCCI) was a common year starting on Sunday of the Julian calendar.
1606 (MDCVI) was a common year starting on Sunday of the Gregorian calendar and a common year starting on Wednesday of the Julian calendar, the 1606th year of the Common Era (CE) and Anno Domini (AD) designations, the 606th year of the 2nd millennium, the 6th year of the 17th century, and the 7th year of the 1600s decade. As of the start of 1606, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.