Wednesday, December 28, 2011

Date and Time Data Types


Data type Format Range Accuracy Storage size (bytes) User-defined fractional second precision Time zone offset
time hh:mm:ss[.nnnnnnn] 00:00:00.0000000 through 23:59:59.9999999 100 nanoseconds 3 to 5 Yes No
date YYYY-MM-DD 0001-01-01 through 9999-12-31 1 day 3 No No
smalldatetime YYYY-MM-DD hh:mm:ss 1900-01-01 through 2079-06-06 1 minute 4 No No
datetime YYYY-MM-DD hh:mm:ss[.nnn] 1753-01-01 through 9999-12-31 0.00333 second 8 No No
datetime2 YYYY-MM-DD hh:mm:ss[.nnnnnnn] 0001-01-01 00:00:00.0000000 through 9999-12-31 23:59:59.9999999 100 nanoseconds 6 to 8 Yes No
datetimeoffset YYYY-MM-DD hh:mm:ss[.nnnnnnn] [+|-]hh:mm 0001-01-01 00:00:00.0000000 through 9999-12-31 23:59:59.9999999 (in UTC) 100 nanoseconds 8 to 10 Yes Yes

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