| # File src/library/base/R/zdatetime.R |
| # Part of the R package, https://www.R-project.org |
| # |
| # Copyright (C) 1995-2017 The R Core Team |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 2 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # A copy of the GNU General Public License is available at |
| # https://www.R-project.org/Licenses/ |
| |
| ## needs to run after paste() |
| .leap.seconds <- local({ |
| .leap.seconds <- |
| c("1972-6-30", "1972-12-31", "1973-12-31", "1974-12-31", |
| "1975-12-31", "1976-12-31", "1977-12-31", "1978-12-31", |
| "1979-12-31", "1981-6-30", "1982-6-30", "1983-6-30", |
| "1985-6-30", "1987-12-31", "1989-12-31", "1990-12-31", |
| "1992-6-30", "1993-6-30", "1994-6-30","1995-12-31", |
| "1997-6-30", "1998-12-31", "2005-12-31", "2008-12-31", |
| "2012-6-30", "2015-6-30", "2016-12-31") |
| .leap.seconds <- strptime(paste(.leap.seconds , "23:59:60"), |
| "%Y-%m-%d %H:%M:%S", tz = "UTC") |
| c(as.POSIXct(.leap.seconds, "GMT")) # lose the timezone attribute |
| }) |