993

993 in various calendars
Gregorian calendar	993; CMXCIII
Ab urbe condita	1746
Armenian calendar	442; ԹՎ ՆԽԲ
Assyrian calendar	5743
Balinese saka calendar	914–915
Bengali calendar	400
Berber calendar	1943
Buddhist calendar	1537
Burmese calendar	355
Byzantine calendar	6501–6502
Chinese calendar	壬辰年 (Water Dragon); 3690 or 3483; — to —; 癸巳年 (Water Snake); 3691 or 3484
Coptic calendar	709–710
Discordian calendar	2159
Ethiopian calendar	985–986
Hebrew calendar	4753–4754
Hindu calendars
- Vikram Samvat	1049–1050
- Shaka Samvat	914–915
- Kali Yuga	4093–4094
Holocene calendar	10993
Iranian calendar	371–372
Islamic calendar	382–383
Japanese calendar	Shōryaku 4; (正暦４年)
Javanese calendar	894–895
Julian calendar	993; CMXCIII
Korean calendar	3326
Minguo calendar	919 before ROC; 民前919年
Nanakshahi calendar	−475
Seleucid era	1304/1305 AG
Thai solar calendar	1535–1536
Tibetan calendar	阳水龙年; (male Water-Dragon); 1119 or 738 or −34; — to —; 阴水蛇年; (female Water-Snake); 1120 or 739 or −33

Millennium:	1st millennium
Centuries:	9th century; 10th century ; 11th century;
Decades:	970s; 980s; 990s ; 1000s; 1010s;
Years:	990; 991; 992; 993 ; 994; 995; 996;

Year 993 (CMXCIII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar.

Events

An increase in carbon-14 concentration recorded in tree rings suggests that a strong solar storm may have hit the earth in either 993 or 994.