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Gregorian dates are indicated in the guide by the following symbols:
Table 15 Gregorian Date Symbols
Symbol |
Description |
|---|---|
dd |
Day of the month (01 – 31) |
mm |
Month (01 – 12) |
yy |
Last two digits of the year |
Note: If the last two digits in the specified year are a number less than 56, IOA presumes that the year is in the 21st century (for example, if yy=15, the year 2015 would be presumed). Otherwise, IOA presumes that the year is in the 20th century (for example, if yy=80, the year 1980 would be presumed). |
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yyyy |
Four digits of the year |
Whether a field holds a 4-character date (month and day), a 6-character date (month, day and 2-digit year) or an 8-character date (month, day and 4-digit year) depends on the field. However, the format of the 4-character, 6-character or 8-character date depends on the installation defined date standard.
INCONTROL products support three date standards for Gregorian dates. Each standard has an 8-character format, a 6-character format and a 4-character format. Only one Gregorian date standard is defined at any site.
These supported Gregorian date standards are described in the chart below.
Table 16 Standard Gregorian Dates
Standard |
4-Character Date |
6-Character Date |
8-Character Date |
|---|---|---|---|
MDY |
mmdd |
mmddyy |
mmddyyyy |
DMY |
ddmm |
ddmmyy |
ddmmyyyy |
YMD |
mmdd |
yymmdd |
yyyymmdd |
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