1218 (MCCXVIII) was a common year starting on Monday of the Julian calendar, the 1218th year of the Common Era (CE) and Anno Domini (AD) designations, the 218th year of the 2nd millennium, the 18th year of the 13th century, and the 9th year of the 1210s decade. As of the start of 1218, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium: 2nd millennium
Centuries: 12th century13th century14th century
Decades: 1180s  1190s  1200s  – 1210s –  1220s  1230s  1240s
Years: 1215 1216 121712181219 1220 1221
1218 in other calendars
Gregorian calendar1218
Ab urbe condita1971
Armenian calendar667
Assyrian calendar5968
Balinese saka calendar1139–1140
Bengali calendar625
Berber calendar2168
English Regnal yearHen. 3 – 3 Hen. 3
Buddhist calendar1762
Burmese calendar580
Byzantine calendar6726–6727
Chinese calendar丁丑(Fire Ox)
3914 or 3854
    — to —
戊寅年 (Earth Tiger)
3915 or 3855
Coptic calendar934–935
Discordian calendar2384
Ethiopian calendar1210–1211
Hebrew calendar4978–4979
Hindu calendars
 - Vikram Samvat1274–1275
 - Shaka Samvat1139–1140
 - Kali Yuga4318–4319
Holocene calendar11218
Igbo calendar218–219
Iranian calendar596–597
Islamic calendar614–615
Japanese calendarKenpō 6
Javanese calendar1126–1127
Julian calendar1218
Korean calendar3551
Minguo calendar694 before ROC
Nanakshahi calendar−250
Thai solar calendar1760–1761
Tibetan calendar阴火牛年
(female Fire-Ox)
1344 or 963 or 191
    — to —
(male Earth-Tiger)
1345 or 964 or 192