EVOLUTION-MANAGER
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Get *d*aylight *s*avings *t*ime indicator of a date-time</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link rel="stylesheet" type="text/css" href="R.css" /> </head><body> <table width="100%" summary="page for dst {lubridate}"><tr><td>dst {lubridate}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Get <strong>d</strong>aylight <strong>s</strong>avings <strong>t</strong>ime indicator of a date-time</h2> <h3>Description</h3> <p>Date-time must be a POSIXct, POSIXlt, Date, chron, yearmon, yearqtr, zoo, zooreg, timeDate, xts, its, ti, jul, timeSeries, and fts objects. </p> <h3>Usage</h3> <pre> dst(x) </pre> <h3>Arguments</h3> <table summary="R argblock"> <tr valign="top"><td><code>x</code></td> <td> <p>a date-time object</p> </td></tr> </table> <h3>Details</h3> <p>A date-time's daylight savings flag can not be set because it depends on the date-time's year, month, day, and hour values. </p> <h3>Value</h3> <p>A logical. TRUE if DST is in force, FALSE if not, NA if unknown. </p> <h3>Examples</h3> <pre> x <- ymd("2012-03-26") dst(x) </pre> <hr /><div style="text-align: center;">[Package <em>lubridate</em> version 1.7.9 <a href="00Index.html">Index</a>]</div> </body></html>