Important:
This is retired content. This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.
A version of this page is also available for
4/8/2010

Most locales use the standard Gregorian calendar and a set number of date formats. These default choices for date formats are available for display by using the EnumDateFormatsfunction. Other locales require special considerations when you are creating a complete list of format choices. Some of these require you to insert text strings within the date format string; others require a completely different method of computation of the values. These special requirements are addressed by the addition of certain LCTYPE and CALTYPE values.

Each LCIDhas a default calendar type associated with it. A locale identifier can also have an alternate calendar type. To have an alternate calendar type for an LCID, you must set LOCALE_IOPTIONALCALENDAR to the alternate calendar type for this locale.

The CALTYPEconstants are used in the EnumCalendarInfofunction to define particular pieces of calendar information.

The following table shows CALTYPEconstants that cannotbe used in combination with each other in a function call.

Type Description

CAL_ICALINTVALUE

An integer value indicating the calendar type of the alternate calendar.

CAL_IYEAROFFSETRANGE

One or more null-terminated strings that specify the year offsets for each of the era ranges. The last string has an extra terminating null character.

CAL_SABBREVDAYNAME1

Abbreviated local name of the first day of the week.

CAL_SABBREVDAYNAME2

Abbreviated local name of the second day of the week.

CAL_SABBREVDAYNAME3

Abbreviated local name of the third day of the week.

CAL_SABBREVDAYNAME4

Abbreviated local name of the fourth day of the week.

CAL_SABBREVDAYNAME5

Abbreviated local name of the fifth day of the week.

CAL_SABBREVDAYNAME6

Abbreviated local name of the sixth day of the week.

CAL_SABBREVDAYNAME7

Abbreviated local name of the seventh day of the week.

CAL_SABBREVMONTHNAME1

Abbreviated local name of the first month of the year.

CAL_SABBREVMONTHNAME2

Abbreviated local name of the second month of the year.

CAL_SABBREVMONTHNAME3

Abbreviated local name of the third month of the year.

CAL_SABBREVMONTHNAME4

Abbreviated local name of the fourth month of the year.

CAL_SABBREVMONTHNAME5

Abbreviated local name of the fifth month of the year.

CAL_SABBREVMONTHNAME6

Abbreviated local name of the sixth month of the year.

CAL_SABBREVMONTHNAME7

Abbreviated local name of the seventh month of the year.

CAL_SABBREVMONTHNAME8

Abbreviated local name of the eighth month of the year.

CAL_SABBREVMONTHNAME9

Abbreviated local name of the ninth month of the year.

CAL_SABBREVMONTHNAME10

Abbreviated local name of the tenth month of the year.

CAL_SABBREVMONTHNAME11

Abbreviated local name of the eleventh month of the year.

CAL_SABBREVMONTHNAME12

Abbreviated local name of the twelfth month of the year.

CAL_SABBREVMONTHNAME13

Abbreviated local name of the thirteenth month of the year, if it exists.

CAL_SCALNAME

Local name of the alternate calendar.

CAL_SDAYNAME1

Local name of the first day of the week.

CAL_SDAYNAME2

Local name of the second day of the week.

CAL_SDAYNAME3

Local name of the third day of the week.

CAL_SDAYNAME4

Local name of the fourth day of the week.

CAL_SDAYNAME5

Local name of the fifth day of the week.

CAL_SDAYNAME6

Local name of the sixth day of the week.

CAL_SDAYNAME7

Local name of the seventh day of the week.

CAL_SERASTRING

One or more null-terminated strings that specify each of the Unicode codepoints specifying the era associated with the specified CAL_IYEAROFFSETRANGE. The last string has an extra terminating null character.

CAL_SLONGDATE

Long date formats for this calendar type.

CAL_SMONTHNAME1

Local name of the first month of the year.

CAL_SMONTHNAME2

Local name of the second month of the year.

CAL_SMONTHNAME3

Local name of the third month of the year.

CAL_SMONTHNAME4

Local name of the fourth month of the year.

CAL_SMONTHNAME5

Local name of the fifth month of the year.

CAL_SMONTHNAME6

Local name of the sixth month of the year.

CAL_SMONTHNAME7

Local name of the seventh month of the year.

CAL_SMONTHNAME8

Local name of the eighth month of the year.

CAL_SMONTHNAME9

Local name of the ninth month of the year.

CAL_SMONTHNAME10

Local name of the tenth month of the year.

CAL_SMONTHNAME11

Local name of the eleventh month of the year.

CAL_SMONTHNAME12

Local name of the twelfth month of the year.

CAL_SMONTHNAME13

Local name of the thirteenth month of the year, if it exists.

CAL_SSHORTDATE

Short date formats for this calendar type.

If the local name for the day of the week or for a month is an empty string, that name is identical to the name given in the corresponding locale information and therefore is not duplicated here.

The CAL_IYEAROFFSETRANGE and CAL_SERASTRING values vary in format, depending on the type of optional calendar. The following example shows the values for these types — for each supported alternate calendar type — along with the formula for how to use the CAL_IYEAROFFSETRANGE value to compute the correct year given the Gregorian current year value Y.

Copy Code 
CAL_ICALINTVALUE = "1"
CAL_IYEAROFFSETRANGE = ""
CAL_SERASTRING = ""

CAL_ICALINTVALUE = "2"
CAL_IYEAROFFSETRANGE = ""
CAL_SERASTRING = ""

CAL_ICALINTVALUE = "3"
CAL_IYEAROFFSETRANGE = "1989\01926\01912\01868\0"
CAL_SERASTRING = "Ux337B\0Ux337C\0Ux337D\0Ux337E\0"
if (Y>=1989) { Y = (Y-1989)+1; }
if (Y>=1926 && Y<1989) { Y = (Y-1926)+1; }
if (Y>=1912 && Y<1926) { Y = (Y-1912)+1; }
if (Y>=1868 && Y<1912) { Y = (Y-1868)+1; }
if (Y<1868) { Y = Y; }

CAL_ICALINTVALUE = "4"
CAL_IYEAROFFSETRANGE = "1912\0"
CAL_SERASTRING = "Ux4E2D\0Ux83EF\0Ux6C11\0Ux570B\0"
if (Y>=1912) { Y = (Y-1912)+1; }
if (Y<1912) { Y = Y; }

CAL_ICALINTVALUE = "5"
CAL_IYEAROFFSETRANGE = "2333\0"
CAL_SERASTRING = ""
Y = Y+2333;

See Also