| 22 March: | Jews celebrate Pesach for the next seven or eight days. | |
| 19 April: | The resurrection of Jesus Christ is celebrated on Easter Sunday following the first full moon following the spring equinox since the Council of Nicaea in 325. | |
| 11 May: | After six years of building in the city of Byzantium the new city is officially opened by Roman emperor Constantine to serve as his capital of Nova Roma, though it is already more commonly known as Constantinople. | |
| 7 June: | Seven weeks after Easter Christians celebrate Pentecost, possibly since 68 AD. | |
| 10 September: | Jews celebrate Yom Kippur since sunset last night. |
Nicholas of Myra and Constantine the Great celebrated their birthday this year.
The year 330 was a common year starting on a Thursday, just like 235, 246, 257, 263, 274, 285, 291, 302, 313 and 319 in the century before it and 341, 347, 358, 369, 375, 386, 397, 403, 414 and 425 in the next.
The coloured days highlight
births
,
deaths
,
political
,
scientific
,
artistic
and
other
historical milestones, and recurring events such as anniversaries and
holidays
.
The new
,
waxing
,
full
and
waning
icons indicate the phases of the moon and appear only for dates in the Gregorian calendar, i.e. after 14 October 1582. The Chinese calendar is available only from 1645 to 2644, the first millenium since the last reform. The coloured columns mark the Sundays, the last day of the week per standard ISO-8601.
The normal calendar page for the current /year?2013 contains an introduction to the intriguing history of the year as we know it. The Calendar Converter has more detail. The so called Perpetual Calendar uses a trick from before the age of computers to find the weekday for any Gregorian date. Also see an overview of all historical events in the last six thousand years.