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timechange

Efficient Manipulation of Date-Times

v0.4.0 · Jan 29, 2026 · GPL (>= 3)

Description

Efficient routines for manipulation of date-time objects while accounting for time-zones and daylight saving times. The package includes utilities for updating of date-time components (year, month, day etc.), modification of time-zones, rounding of date-times, period addition and subtraction etc. Parts of the 'CCTZ' source code, released under the Apache 2.0 License, are included in this package. See <https://github.com/google/cctz> for more details.

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CRAN Check Status

1 NOTE
13 OK
Show all 14 flavors
Flavor Status
r-devel-linux-x86_64-debian-clang NOTE
r-devel-linux-x86_64-debian-gcc OK
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-macos-arm64 OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 OK
r-oldrel-macos-x86_64 OK
r-oldrel-windows-x86_64 OK
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK
Check details (1 non-OK)
NOTE r-devel-linux-x86_64-debian-clang

compiled code

File ‘timechange/libs/timechange.so’:
  Found non-API call to R: ‘R_NamespaceRegistry’

Compiled code should not call non-API entry points in R.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual,
and section ‘Moving into C API compliance’ for issues with the use of
non-API entry points.

Check History

NOTE 13 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 30, 2026
NOTE r-devel-linux-x86_64-fedora-clang

compiled code

File ‘timechange/libs/timechange.so’:
  Found non-API call to R: ‘R_NamespaceRegistry’

Compiled code should not call non-API entry points in R.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual,
and section ‘Moving into C API compliance’ for issues with the use of
non-API entry points.
OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026

Reverse Dependencies (5)

Dependency Network

Dependencies Reverse dependencies DTSg IgorR lubridate maestro timeplyr timechange

Version History

new 0.4.0 Mar 10, 2026
updated 0.4.0 ← 0.3.0 diff Jan 28, 2026
updated 0.3.0 ← 0.2.0 diff Jan 17, 2024
updated 0.2.0 ← 0.1.1 diff Jan 10, 2023
updated 0.1.1 ← 0.1.0 diff Nov 3, 2022
updated 0.1.0 ← 0.0.2 diff Oct 29, 2022
updated 0.0.2 ← 0.0.1 diff Oct 4, 2020
new 0.0.1 Apr 25, 2018