1242 (MCCXLII) was a common year starting on Wednesday of the Julian calendar, the 1242nd year of the Common Era (CE) and Anno Domini (AD) designations, the 242nd year of the 2nd millennium, the 42nd year of the 13th century, and the 3rd year of the 1240s decade. As of the start of 1242, 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: 1210s  1220s  1230s  – 1240s –  1250s  1260s  1270s
Years: 1239 1240 124112421243 1244 1245
1242 in other calendars
Gregorian calendar1242
MCCXLII
Ab urbe condita1995
Armenian calendar691
ԹՎ ՈՂԱ
Assyrian calendar5992
Balinese saka calendar1163–1164
Bengali calendar649
Berber calendar2192
English Regnal year26 Hen. 3 – 27 Hen. 3
Buddhist calendar1786
Burmese calendar604
Byzantine calendar6750–6751
Chinese calendar辛丑(Metal Ox)
3938 or 3878
    — to —
壬寅年 (Water Tiger)
3939 or 3879
Coptic calendar958–959
Discordian calendar2408
Ethiopian calendar1234–1235
Hebrew calendar5002–5003
Hindu calendars
 - Vikram Samvat1298–1299
 - Shaka Samvat1163–1164
 - Kali Yuga4342–4343
Holocene calendar11242
Igbo calendar242–243
Iranian calendar620–621
Islamic calendar639–640
Japanese calendarNinji 3
(仁治3年)
Javanese calendar1151–1152
Julian calendar1242
MCCXLII
Korean calendar3575
Minguo calendar670 before ROC
民前670年
Nanakshahi calendar−226
Thai solar calendar1784–1785
Tibetan calendar阴金牛年
(female Iron-Ox)
1368 or 987 or 215
    — to —
阳水虎年
(male Water-Tiger)
1369 or 988 or 216

Deaths

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