Changes for page 4 General Notes for Implementers
Last modified by Artur on 2025/09/10 11:19
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... ... @@ -139,14 +139,15 @@ 139 139 140 140 The hierarchy of time formats is as follows (**bold** indicates a category which is made up of multiple formats, //italic// indicates a distinct format): 141 141 142 -* **Observational Time Period** 143 -** **Standard Time Period** 144 -*** **Basic Time Period** 145 -**** **Gregorian Time Period** 146 -**** //Date Time// 147 -*** **Reporting Time Period** 148 -** //Time Range// 142 +* **Observational Time Period **o **Standard Time Period** 149 149 144 + § **Basic Time Period** 145 + 146 +* **Gregorian Time Period** 147 +* //Date Time// 148 + 149 +§ **Reporting Time Period **o //Time Range// 150 + 150 150 The details of these time period categories and of the distinct formats which make them up are detailed in the sections to follow. 151 151 152 152 === 4.2.2 Observational Time Period === ... ... @@ -162,12 +162,11 @@ 162 162 A Gregorian time period is always represented by a Gregorian year, year-month, or day. These are all based on ISO 8601 dates. The representation in SDMX-ML messages and the period covered by each of the Gregorian time periods are as follows: 163 163 164 164 **Gregorian Year:** 166 + 165 165 Representation: xs:gYear (YYYY) 166 -Period: the start of January 1 to the end of December 31 167 -**Gregorian Year Month**: 168 +Period: the start of January 1 to the end of December 31 **Gregorian Year Month**: 168 168 Representation: xs:gYearMonth (YYYY-MM) 169 -Period: the start of the first day of the month to end of the last day of the month 170 -**Gregorian Day**: 170 +Period: the start of the first day of the month to end of the last day of the month **Gregorian Day**: 171 171 Representation: xs:date (YYYY-MM-DD) 172 172 Period: the start of the day (00:00:00) to the end of the day (23:59:59) 173 173 ... ... @@ -175,7 +175,7 @@ 175 175 176 176 This is used to unambiguously state that a date-time represents an observation at a single point in time. Therefore, if one wants to use SDMX for data which is measured at a distinct point in time rather than being reported over a period, the date-time representation can be used. 177 177 178 -Representation: xs:dateTime (YYYY-MM-DDThh:mm:ss) {{footnote}}The seconds canbereported fractionally{{/footnote}}178 +Representation: xs:dateTime (YYYY-MM-DDThh:mm:ss)[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)^^~[2~]^^>>path:#_ftn2]] 179 179 180 180 === 4.2.6 Standard Reporting Period === 181 181 ... ... @@ -191,50 +191,85 @@ 191 191 The following section details each of the standard reporting periods defined in SDMX: 192 192 193 193 **Reporting Year**: 194 -Period Indicator: A 194 + 195 + Period Indicator: A 196 + 195 195 Period Duration: P1Y (one year) 198 + 196 196 Limit per year: 1 197 -Representation: common:ReportingYearType (YYYY-A1, e.g. 2000-A1) 198 -**Reporting Semester:** 199 -Period Indicator: S 200 + 201 +Representation: common:ReportingYearType (YYYY-A1, e.g. 2000-A1) **Reporting Semester:** 202 + 203 + Period Indicator: S 204 + 200 200 Period Duration: P6M (six months) 206 + 201 201 Limit per year: 2 208 + 202 202 Representation: common:ReportingSemesterType (YYYY-Ss, e.g. 2000-S2) 210 + 203 203 **Reporting Trimester:** 204 -Period Indicator: T 212 + 213 + Period Indicator: T 214 + 205 205 Period Duration: P4M (four months) 216 + 206 206 Limit per year: 3 207 -Representation: common:ReportingTrimesterType (YYYY-Tt, e.g. 2000-T3) 208 -**Reporting Quarter:** 209 -Period Indicator: Q 218 + 219 +Representation: common:ReportingTrimesterType (YYYY-Tt, e.g. 2000-T3) **Reporting Quarter:** 220 + 221 + Period Indicator: Q 222 + 210 210 Period Duration: P3M (three months) 224 + 211 211 Limit per year: 4 212 -Representation: common:ReportingQuarterType (YYYY-Qq, e.g. 2000-Q4) 213 -**Reporting Month**: 226 + 227 +Representation: common:ReportingQuarterType (YYYY-Qq, e.g. 2000-Q4) **Reporting Month**: 228 + 214 214 Period Indicator: M 230 + 215 215 Period Duration: P1M (one month) 232 + 216 216 Limit per year: 1 234 + 217 217 Representation: common:ReportingMonthType (YYYY-Mmm, e.g. 2000-M12) Notes: The reporting month is always represented as two digits, therefore 1-9 are 0 padded (e.g. 01). This allows the values to be sorted chronologically using textual sorting methods. 236 + 218 218 **Reporting Week**: 238 + 219 219 Period Indicator: W 240 + 220 220 Period Duration: P7D (seven days) 242 + 221 221 Limit per year: 53 244 + 222 222 Representation: common:ReportingWeekType (YYYY-Www, e.g. 2000-W53) 223 -Notes: There are either 52 or 53 weeks in a reporting year. This is based on the ISO 8601 definition of a week (Monday - Saturday), where the first week of a reporting year is defined as the week with the first Thursday on or after the reporting year start day.{{footnote}}ISO 8601 defines alternative definitions for the first week, all of which produce equivalent results. Any of these definitions could be substituted so long as they are in 224 -relation to the reporting year start day.{{/footnote}} The reporting week is always represented as two digits, therefore 1-9 are 0 padded (e.g. 01). This allows the values to be sorted chronologically using textual sorting methods. 246 + 247 +Notes: There are either 52 or 53 weeks in a reporting year. This is based on the ISO 8601 definition of a week (Monday - Saturday), where the first week of a reporting year is defined as the week with the first Thursday on or after the reporting year start day.[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)^^~[3~]^^>>path:#_ftn3]](%%) The reporting week is always represented as two digits, therefore 1-9 are 0 padded (e.g. 01). This allows the values to be sorted chronologically using textual sorting methods. 248 + 225 225 **Reporting Day**: 250 + 226 226 Period Indicator: D 252 + 227 227 Period Duration: P1D (one day) 254 + 228 228 Limit per year: 366 256 + 229 229 Representation: common:ReportingDayType (YYYY-Dddd, e.g. 2000-D366) Notes: There are either 365 or 366 days in a reporting year, depending on whether the reporting year includes leap day (February 29). The reporting day is always represented as three digits, therefore 1-99 are 0 padded (e.g. 001). This allows the values to be sorted chronologically using textual sorting methods. 258 + 230 230 The meaning of a reporting year is always based on the start day of the year and requires that the reporting year is expressed as the year at the start of the period. This start day is always the same for a reporting year, and is expressed as a day and a month (e.g. July 1). Therefore, the reporting year 2000 with a start day of July 1 begins on July 1, 2000. 231 231 232 -A specialized attribute (reporting year start day) exists for the purpose of communicating the reporting year start day. This attribute has a fixed identifier (REPORTING_YEAR_START_DAY) and a fixed representation (xs:gMonthDay) so that it can always be easily identified and processed in a data message. Although this attribute exists in specialized sub-class, it functions the same as any other attribute outside of its identification and representation. It must takes its identity from a concept and state its relationship with other components of the data structure definition. The ability to state this relationship allows this reporting year start day attribute to exist at the appropriate levels of a data message. In the absence of this attribute, the reporting year start date is assumed to be January 1; therefore if the reporting year coincides with the calendar year, this Attribute is not necessary.261 +A specialized attribute (reporting year start day) exists for the purpose of communicating the reporting year start day. This attribute has a fixed identifier 233 233 234 -S incethedurationandthereportingyearstartdayareknownforanyreportingperiod, it ispossible torelateanyreportingperiodto a distinct calendarperiod. The actualGregoriancalendarperiodcoveredbythereportingperiodcanbecomputedasfollows(basedon the standardformat of[REPROTING_YEAR]-[PERIOD_INDICATOR][PERIOD_VALUE]andthe reporting year start dayas[REPORTING_YEAR_START_DAY]):263 +(REPORTING_YEAR_START_DAY) and a fixed representation (xs:gMonthDay) so that it can always be easily identified and processed in a data message. Although this attribute exists in specialized sub-class, it functions the same as any other attribute outside of its identification and representation. It must takes its identity from a concept and state its relationship with other components of the data structure definition. The ability to state this relationship allows this reporting year start day attribute to exist at the appropriate levels of a data message. In the absence of this attribute, the reporting year start date is assumed to be January 1; therefore if the reporting year coincides with the calendar year, this Attribute is not necessary. 235 235 236 -**~1. Determine [REPORTING_YEAR_BASE]:** 265 +Since the duration and the reporting year start day are known for any reporting period, it is possible to relate any reporting period to a distinct calendar period. The actual Gregorian calendar period covered by the reporting period can be computed as follows (based on the standard format of [REPROTING_YEAR]- 266 + 267 +[PERIOD_INDICATOR][PERIOD_VALUE] and the reporting year start day as [REPORTING_YEAR_START_DAY]): 268 + 269 +1. **Determine [REPORTING_YEAR_BASE]:** 270 + 237 237 Combine [REPORTING_YEAR] of the reporting period value (YYYY) with [REPORTING_YEAR_START_DAY] (MM-DD) to get a date (YYYY-MM-DD). 272 + 238 238 This is the [REPORTING_YEAR_START_DATE] 239 239 240 240 1. ... ... @@ -241,7 +241,7 @@ 241 241 11. **If the [PERIOD_INDICATOR] is W:** 242 242 111. **If [REPORTING_YEAR_START_DATE] is a Friday, Saturday, or Sunday:** 243 243 244 -Add[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)^^~[4~]^^>>path:#_ftn4]](%%) (P3D, P2D, or P1D respectively) to the [REPORTING_YEAR_START_DATE]. The result is the [REPORTING_YEAR_BASE].279 +Add[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)^^~[4~]^^>>path:#_ftn4]](%%) (P3D, P2D, or P1D respectively) to the [REPORTING_YEAR_START_DATE]. The result is the [REPORTING_YEAR_BASE]. 245 245 246 246 1. 247 247 11.