ACT — Acre Time
See how Acre Time in Brazil works, check its UTC-5 offset, and compare ACT with other time zones for scheduling.
Acre Time in Brazil
ACT stands for Acre Time, the time zone used in parts of Brazil. It stays on UTC-5 year-round and this page covers Acre Time only, not other ACT meanings.
No DST Changes
Acre Time does not observe daylight saving time, so ACT remains at UTC-5 throughout the year. The page tracks timezone rules and shows whether any historical changes affect local time.
Convert ACT Easily
Compare ACT with other time zones using visual hour-by-hour tables and scheduling grids. Export meeting times with ICS download or send them to Google Calendar and Gmail.
ACT (Acre Time, UTC-5) is the time zone used in western Brazil, including cities such as Rio Branco and Cruzeiro do Sul.
Looking for Australian Central Time? See /time-converter/act-time-zone.
How to Convert ACT to Other Time Zones
Open the ACT converter page: Go to
https://www.xconvert.com/time-converter/act-brazil-time-zoneto load Acre Time as the starting row in the visual comparison grid. This view is useful when you are planning a call with contacts in Rio Branco, scheduling support coverage in western Brazil, or comparing business hours across teams that work with Acre Time.Add comparison cities: Click + Add City and search for cities you want to compare against Acre Time, such as other business hubs your team works with for customer support, logistics, or regional operations. Adding multiple rows lets you see how a workday in Rio Branco lines up visually with other locations that may use the same UTC-5 offset or different local schedules.
Select a time range on the grid: Use the Select button if needed, then drag across the Acre Time row to highlight a meeting window in purple; you can resize it with the left and right handles or move the whole selection by dragging the center. This is especially practical for remote team coordination because you can test whether a morning block in Rio Branco overlaps with office hours in the other cities you added before committing to a meeting.
Export the selected time block: Once a range is selected, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. These options are useful when you need to send a confirmed meeting time to colleagues, create a calendar event for a distributed team, or share a link with clients so everyone sees the same cross-time-zone schedule.
About Acre Time (ACT)
Acre Time (ACT) is the standard time zone abbreviation for a UTC-5 offset used in Brazil. It applies to western Brazilian locations including Rio Branco, Cruzeiro do Sul, Sena Madureira, Tarauacá, Feijó, Plácido de Castro, Senador Guiomard, Brasiléia, Mâncio Lima, and Xapuri.
Acre Time remains fixed at UTC-5 throughout the year. Because it does not observe daylight saving time and has no counterpart, there is no seasonal switch to another abbreviation, which makes year-round scheduling more predictable for travel planning, recurring business calls, and long-term operations calendars.
Acre Time also shares the UTC-5 offset with several other abbreviations, including CDT, CIST, COT, CST, CT, EASST, ECT, EST, ET, PET, and R. Even when the offset matches, the location and naming convention still matter in scheduling because the ACT label on this page refers specifically to Acre Time in Brazil.
ACT and Daylight Saving Time
Acre Time (ACT) does not observe daylight saving time. It stays on UTC-5 all year and does not switch to a summer or winter counterpart abbreviation.
That means there are no daylight saving transition dates for Acre Time in the current year. For practical scheduling, this consistency helps when setting recurring meetings with teams in Rio Branco or Cruzeiro do Sul because the Acre Time side of the schedule does not move seasonally.
Frequently Asked Questions
What does ACT stand for?
Acre Time stands for the UTC-5 time zone used in parts of Brazil. On this page, ACT refers specifically to Acre Time and to cities such as Rio Branco, Cruzeiro do Sul, Sena Madureira, and Tarauacá.
Is ACT the same as GMT?
Acre Time is not the same as GMT. ACT is UTC-5, which means it is five hours behind UTC and therefore also five hours behind GMT when comparing standard offsets.
Which cities use ACT?
Acre Time is used in Brazilian cities including Rio Branco, Cruzeiro do Sul, Sena Madureira, Tarauacá, Feijó, Plácido de Castro, Senador Guiomard, Brasiléia, Mâncio Lima, and Xapuri. These cities are the key places associated with ACT on this page, making them useful reference points for travel itineraries, meeting planning, and regional coordination.
What is the UTC offset for ACT?
Acre Time uses a fixed UTC-5 offset. Because the offset does not change during the year, ACT is straightforward to use for recurring schedules, especially when you need a stable reference for operations in Brazil.
When does ACT change?
Acre Time does not change during the year. It does not observe daylight saving time, has no counterpart abbreviation, and stays on UTC-5 year-round.
Is ACT Acre Time or Australian Central Time?
Acre Time on this page means the Brazilian time zone at UTC-5. ACT can also mean Australian Central Time, which is covered separately at /time-converter/act-time-zone, so it is important to choose the correct page before converting times.
Is ACT used only in Brazil?
Acre Time is used in Brazil on this page’s definition of ACT. While other abbreviations can share the same UTC-5 offset, the ACT label here is specifically the Brazilian Acre Time designation rather than a general name for every UTC-5 region.