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ee.Date.getFraction
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Restituisce la frazione di tempo trascorsa in questa data dell'unità specificata (tra 0 e 1).
| Utilizzo | Resi |
|---|
Date.getFraction(unit, timeZone) | Float |
| Argomento | Tipo | Dettagli |
|---|
questo: date | Data | |
unit | Stringa | Uno dei valori "year", "month", "week", "day", "hour", "minute" o "second". |
timeZone | Stringa, predefinito: null | Il fuso orario (ad es. 'America/Los_Angeles'); il valore predefinito è UTC. |
Esempi
Editor di codice (JavaScript)
var date = ee.Date('2021-4-30T07:15:31.24');
print('Elapsed fraction of a year', date.getFraction('year'));
print('Elapsed fraction of a month', date.getFraction('month'));
print('Elapsed fraction of a week', date.getFraction('week'));
print('Elapsed fraction of a day', date.getFraction('day'));
print('Elapsed fraction of an hour', date.getFraction('hour'));
print('Elapsed fraction of a minute', date.getFraction('minute'));
print('Elapsed fraction of a second', date.getFraction('second'));
Configurazione di Python
Per informazioni sull'API Python e sull'utilizzo di geemap per lo sviluppo interattivo, consulta la pagina
Ambiente Python.
import ee
import geemap.core as geemap
Colab (Python)
date = ee.Date('2021-4-30T07:15:31.24')
display('Elapsed fraction of a year:', date.getFraction('year'))
display('Elapsed fraction of a month:', date.getFraction('month'))
display('Elapsed fraction of a week:', date.getFraction('week'))
display('Elapsed fraction of a day:', date.getFraction('day'))
display('Elapsed fraction of an hour:', date.getFraction('hour'))
display('Elapsed fraction of a minute:', date.getFraction('minute'))
display('Elapsed fraction of a second:', date.getFraction('second'))
Salvo quando diversamente specificato, i contenuti di questa pagina sono concessi in base alla licenza Creative Commons Attribution 4.0, mentre gli esempi di codice sono concessi in base alla licenza Apache 2.0. Per ulteriori dettagli, consulta le norme del sito di Google Developers. Java è un marchio registrato di Oracle e/o delle sue consociate.
Ultimo aggiornamento 2025-07-25 UTC.
[null,null,["Ultimo aggiornamento 2025-07-25 UTC."],[[["\u003cp\u003e\u003ccode\u003eDate.getFraction()\u003c/code\u003e calculates the elapsed fraction of a specified time unit (year, month, week, day, hour, minute, or second) for a given date, returning a value between 0 and 1.\u003c/p\u003e\n"],["\u003cp\u003eThe function takes the date, the desired time unit, and an optional time zone as input (defaulting to UTC if not specified).\u003c/p\u003e\n"],["\u003cp\u003eThe returned value represents the proportion of the specified time unit that has passed for the given date, for instance, 0.5 for 'day' would indicate it's midday.\u003c/p\u003e\n"],["\u003cp\u003eThis function is valuable for tasks like determining the progress through a specific time period, such as calculating the fraction of a year that has elapsed.\u003c/p\u003e\n"]]],[],null,["# ee.Date.getFraction\n\nReturns this date's elapsed fraction of the specified unit (between 0 and 1).\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|----------------------------------------|---------|\n| Date.getFraction`(unit, `*timeZone*`)` | Float |\n\n| Argument | Type | Details |\n|--------------|-----------------------|-----------------------------------------------------------------------|\n| this: `date` | Date | |\n| `unit` | String | One of 'year', 'month', 'week', 'day', 'hour', 'minute', or 'second'. |\n| `timeZone` | String, default: null | The time zone (e.g., 'America/Los_Angeles'); defaults to UTC. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\nvar date = ee.Date('2021-4-30T07:15:31.24');\n\nprint('Elapsed fraction of a year', date.getFraction('year'));\nprint('Elapsed fraction of a month', date.getFraction('month'));\nprint('Elapsed fraction of a week', date.getFraction('week'));\nprint('Elapsed fraction of a day', date.getFraction('day'));\nprint('Elapsed fraction of an hour', date.getFraction('hour'));\nprint('Elapsed fraction of a minute', date.getFraction('minute'));\nprint('Elapsed fraction of a second', date.getFraction('second'));\n```\nPython setup\n\nSee the [Python Environment](/earth-engine/guides/python_install) page for information on the Python API and using\n`geemap` for interactive development. \n\n```python\nimport ee\nimport geemap.core as geemap\n```\n\n### Colab (Python)\n\n```python\ndate = ee.Date('2021-4-30T07:15:31.24')\n\ndisplay('Elapsed fraction of a year:', date.getFraction('year'))\ndisplay('Elapsed fraction of a month:', date.getFraction('month'))\ndisplay('Elapsed fraction of a week:', date.getFraction('week'))\ndisplay('Elapsed fraction of a day:', date.getFraction('day'))\ndisplay('Elapsed fraction of an hour:', date.getFraction('hour'))\ndisplay('Elapsed fraction of a minute:', date.getFraction('minute'))\ndisplay('Elapsed fraction of a second:', date.getFraction('second'))\n```"]]
