Thank you Duncan and Rui for your time and interest in this issue. Maybe it is a problem with Windows 7 and Spanish, and not Windows 10.
Let's wait for someone with the same enviroment, before assuming it's a problem with my PC/configuration. 2017-06-05 14:37 GMT-05:00 Duncan Murdoch <murdoch.dun...@gmail.com>: > For what it's worth, I tried setting my Region | Formats setting to > Spanish (Peru) in Windows 10 Control Panel, and got Spanish weekday and > month results. > > I believe on Windows we use the Microsoft C strftime function to produce > these strings, with the %A (for weekday) or %B (for month) formats. So > this question probably needs to be addressed to Microsoft. > > Duncan Murdoch > > > On 05/06/2017 3:21 PM, Rui Barradas wrote: > >> Hello, >> >> This doesn't answer the question, but in portuguese it works as expected. >> >> > x <- as.Date("2017-06-05") >> > months(x) >> [1] "junho" >> > weekdays(x) >> [1] "segunda-feira" >> > sessionInfo() >> R version 3.4.0 (2017-04-21) >> Platform: x86_64-w64-mingw32/x64 (64-bit) >> Running under: Windows 7 x64 (build 7601) Service Pack 1 >> >> Matrix products: default >> >> locale: >> [1] LC_COLLATE=Portuguese_Portugal.1252 >> LC_CTYPE=Portuguese_Portugal.1252 >> [3] LC_MONETARY=Portuguese_Portugal.1252 LC_NUMERIC=C >> >> [5] LC_TIME=Portuguese_Portugal.1252 >> >> attached base packages: >> [1] stats graphics grDevices utils datasets methods base >> >> loaded via a namespace (and not attached): >> [1] compiler_3.4.0 >> >> Hope this helps, >> >> Rui Barradas >> >> Em 05-06-2017 19:14, Omar André Gonzáles Díaz escreveu: >> >>> Hi, >>> >>> I want to reporte some strange behaviour with the "months" function, from >>> base R. >>> >>> When using "months" to extract months from a date column, I'm getting the >>> months in english, when I was expecting months in spanish. >>> >>> When using "weekdays" to extract days of week from a date column, I'm >>> getting the the days in spanish (as expected). >>> >>> >>> My understanding is that both work with local language. What may be >>> happening? >>> >>> >>> My Session Info: >>> >>> R version 3.4.0 (2017-04-21) >>> Platform: x86_64-w64-mingw32/x64 (64-bit) >>> Running under: Windows 7 x64 (build 7601) Service Pack 1 >>> >>> Matrix products: default >>> >>> locale: >>> [1] LC_COLLATE=Spanish_Peru.1252 >>> [2] LC_CTYPE=Spanish_Peru.1252 >>> [3] LC_MONETARY=Spanish_Peru.1252 >>> [4] LC_NUMERIC=C >>> [5] LC_TIME=Spanish_Peru.1252 >>> >>> attached base packages: >>> [1] stats graphics grDevices utils datasets >>> [6] methods base >>> >>> other attached packages: >>> [1] anytime_0.2.2 ggplot2_2.2.1.9000 lubridate_1.6.0 >>> [4] tidyr_0.6.3 rtweet_0.4.4 dplyr_0.5.0 >>> [7] Rfacebook_0.6.16 httpuv_1.3.3 rjson_0.2.15 >>> [10] httr_1.2.1 >>> >>> loaded via a namespace (and not attached): >>> [1] Rcpp_0.12.10 magrittr_1.5 devtools_1.13.2 >>> [4] munsell_0.4.3 colorspace_1.3-2 R6_2.2.0 >>> [7] rlang_0.1 plyr_1.8.4 stringr_1.2.0 >>> [10] tools_3.4.0 grid_3.4.0 gtable_0.2.0 >>> [13] DBI_0.6-1 git2r_0.18.0 withr_1.0.2 >>> [16] openssl_0.9.6 lazyeval_0.2.0 assertthat_0.2.0 >>> [19] digest_0.6.12 tibble_1.3.1 curl_2.6 >>> [22] memoise_1.1.0 labeling_0.3 stringi_1.1.5 >>> [25] compiler_3.4.0 scales_0.4.1 jsonlite_1.5 >>> >>> [[alternative HTML version deleted]] >>> >>> ______________________________________________ >>> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >>> https://stat.ethz.ch/mailman/listinfo/r-help >>> PLEASE do read the posting guide http://www.R-project.org/posti >>> ng-guide.html >>> and provide commented, minimal, self-contained, reproducible code. >>> >>> >> ______________________________________________ >> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide http://www.R-project.org/posti >> ng-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> >> > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.