Description
Require nonempty date texts and calendar labels for both sides and display them as a paired date record.
Calendar coordinates depend on an era, origin, day-start rule, and sometimes an arithmetic rather than observational convention. A supplied coordinate difference does not resolve those choices.
Require nonempty date texts and calendar labels for both sides and display them as a paired date record.
When to use this tool
Use European Cross Border Document Dual Date Label when you need a documented calendar convention or source-coordinate comparison.
How to use the tool and how it works
- Enter firstDateText, firstCalendar, secondDateText, secondCalendar. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read label. Use the output convention below.
Require nonempty date texts and calendar labels for both sides and display them as a paired date record.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| firstDateText | First Date Text | Required. Text; maximum UTF-16 length 8192. |
| firstCalendar | First Calendar | Required. Text; maximum UTF-16 length 8192. |
| secondDateText | Second Date Text | Required. Text; maximum UTF-16 length 8192. |
| secondCalendar | Second Calendar | Required. Text; maximum UTF-16 length 8192. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| label | Formatted label for the supplied components under the convention above. | Required. Text; maximum UTF-16 length 8192. |
{
"input": {
"firstDateText": "1 March 1700",
"firstCalendar": "Julian",
"secondDateText": "12 March 1700",
"secondCalendar": "Gregorian"
},
"output": {
"label": "1 March 1700 (Julian) / 12 March 1700 (Gregorian)"
}
}Limitations and assumptions
- The dates are not parsed or converted and equivalence is not checked; source calendar variants and historical context remain external.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
Alternative or Complementary methods
Consult the source calendar and authoritative date information for actual observance, conversion, or historical dating.
References
Similar or alternative tools
- Arabic Imprint Hijri Gregorian Dual Year Label
Require positive hijriYear and Gregorian year 1-9999, then display both as AH / CE.
- African Document Calendar Source Label
Require nonempty dateText, calendarName, and source and format a source-qualified calendar label.