ISSUE-174: Gregorian and Julian calendars (Section 7 DateTime Description)
Gregorian and Julian calendars (Section 7 DateTime Description)
- State:
- CLOSED
- Product:
- Time ontology in OWL
- Raised by:
- Simon Cox
- Opened on:
- 2017-04-12
- Description:
- From https://www.w3.org/XML/2007/qts-timeont-comments#id64494
Consider
:meetingStartDescription
a :DateTimeDescription ;
:unitType :unitMinute ;
:minute 30 ;
:hour 10 ;
:day 1 ;
:dayOfWeek :Saturday ;
:dayOfYear 1 ;
:week 1 ;
:month 1 ;
:timeZone tz-us:EST ;
:year 2006 .
This is the same as the example in section "DateTime Description" except that the day of the week changed from Sunday to Saturday.
Does it describe an instant in time? Is there a typo in the dayOfWeek field? According to the calendar, 1 January 2006 was a Sunday, not a Saturday. Or does the description denote Saturday, 1 January 2006 in the Julian (Old Style) calendar, which is Saturday 14 January 2006 in the Gregorian calendar?
Consider
:meetingStartDescription
a :DateTimeDescription ;
:unitType :unitMinute ;
:minute 30 ;
:hour 10 ;
:day 1 ;
:dayOfWeek :Friday ;
:dayOfYear 1 ;
:week 1 ;
:month 1 ;
:timeZone tz-us:EST ;
:year 2106 .
This is the same as the example in section "DateTime Description" except that the year has been changed from 2006 to 2106 and the day of the week changed from Sunday to Friday.
What period of time is denoted by this description? The description seems to make sense in more than one way. Friday 1 January 2106 is a day in the Gregorian calendar; it is also a day in the Julian (or Old Style) calendar. - Related Actions Items:
- No related actions
- Related emails:
- OWL-Time - ISSUE-173: Week numbering (Section 7) (from Simon.Cox@csiro.au on 2017-04-12)
- OWL-Time - ISSUE-174: Gregorian and Julian calendars (Section 7 DateTime Description) (from Simon.Cox@csiro.au on 2017-04-12)
Related notes:
Example changed and corrected.
Simon Cox, 21 Apr 2017, 02:36:03Display change log