PETST — Kamchatka Summer Time
See what PETST means, its UTC+12 offset, how it relates to daylight saving time, and compare it with other time zones.
How to Convert PETST to Other Time Zones
Open the PETST converter page: Go to https://www.xconvert.com/time-converter/petst-time-zone to load the visual comparison grid with PETST (Kamchatka Summer Time) already shown as the reference row. This page is useful when you need to line up work with far-east Russian schedules, marine operations in the North Pacific, or logistics planning that touches Kamchatka’s seasonal summer clock at UTC+12.
Add comparison cities with + Add City: Click “+ Add City” and search for cities such as Moscow, Tokyo, and Los Angeles to compare PETST against major government, aviation, and Pacific business hubs. This is especially practical for remote team coordination, because Kamchatka summer time is 9 hours ahead of Moscow during Moscow Standard Time (UTC+3), 3 hours ahead of Tokyo (UTC+9), and 19 hours ahead of Los Angeles during Pacific Standard Time (UTC-8), so overlap windows are limited.
Drag across the grid to select a meeting window: Click “Select” if needed, then drag across the PETST row from 9:00 AM to 11:00 AM PETST to highlight a purple range and instantly see the matching times in the other rows. For example, 9:00–11:00 AM PETST equals 6:00–8:00 AM in Tokyo, 12:00–2:00 AM in Moscow, and 2:00–4:00 PM in Los Angeles on the previous day during standard-time periods, which quickly shows whether a morning briefing in Kamchatka works better for Asia than for European Russia.
Export or share the selected time range: After selecting a range, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. That makes it easy to send a confirmed slot to a shipping partner, research team, or distributed operations staff so everyone sees the same meeting in their own local time without manually recalculating UTC+12.
About Kamchatka Summer Time (PETST)
PETST stands for Kamchatka Summer Time. Its exact offset is UTC+12:00, meaning local clock time in PETST is 12 hours ahead of Coordinated Universal Time; when it is 12:00 noon UTC, it is 12:00 AM midnight the next day in PETST.
Kamchatka Summer Time is associated with Russia’s Kamchatka region, the far eastern peninsula between the Bering Sea and the North Pacific Ocean. The abbreviation is tied to the summer daylight-saving version of the local Kamchatka clock, historically used in the Kamchatka Krai area, with Petropavlovsk-Kamchatsky as the principal real-world city generally linked to this time designation even though no principal city list was provided in your source data.
Because PETST is UTC+12, it matches the same numerical offset as several other abbreviations in different parts of the world, including ANAST, ANAT, FJT, GILT, M, MAGST, MHT, NFDT, NRT, NZST, PETT, TVT, WAKT, and WFT. However, identical offsets do not mean the zones are interchangeable, because each abbreviation can follow different daylight-saving rules, legal definitions, and regional naming conventions.
In practical scheduling terms, PETST is 1 hour ahead of PETT (UTC+11), 3 hours ahead of Japan Standard Time at UTC+9, and 12 hours ahead of GMT/UTC. That means if it is 9:00 AM in PETST, it is 8:00 AM in PETT, 6:00 AM in Tokyo, and 9:00 PM UTC on the previous day, which matters for aviation planning, weather coordination, and cross-border operations in the Pacific Rim.
PETST and Daylight Saving Time
PETST is the daylight saving time form of Kamchatka time, so DST: true means this abbreviation represents the summer clock, not the standard clock. In a seasonal system, PETST typically switches from its standard counterpart to the summer setting by moving the clock forward by 1 hour, making the summer offset UTC+12 instead of the standard UTC+11.
For the current year, 2026, the commonly expected DST transition pattern for a PETST-style system would be:
- Start of PETST: 29 March 2026, when clocks would move forward from UTC+11 to UTC+12
- End of PETST: 25 October 2026, when clocks would move back from UTC+12 to UTC+11
When PETST is active, a local business hour such as 10:00 AM PETST corresponds to 10:00 PM UTC on the previous day. After switching back to standard time, that same 10:00 AM local would correspond to 11:00 PM UTC on the previous day, so recurring meetings with Europe, North America, or East Asia can shift by an hour if only one side changes clocks.
Users should verify the exact legal observance for the specific region and year they are working with, because Russia has changed time legislation multiple times over the past two decades. That historical complexity is one reason a visual converter is useful: you can pick a specific date in the top date picker row and confirm the exact offset being applied on that day instead of relying on memory.
Frequently Asked Questions
What does PETST stand for?
PETST stands for Kamchatka Summer Time. It refers to the daylight-saving or summer version of the local time historically associated with Russia’s Kamchatka region, and its listed offset is UTC+12:00.
Is PETST the same as GMT?
No. PETST is not the same as GMT, because GMT is UTC+0 while PETST is UTC+12, a full 12 hours ahead. If it is 3:00 PM GMT, it is 3:00 AM the next day in PETST, so the difference is large enough to affect flight schedules, overnight support coverage, and handoffs between Europe and the Russian Far East.
Which cities use PETST?
The time name is associated with the Kamchatka area of far eastern Russia, and the principal city most commonly linked with this regional clock is Petropavlovsk-Kamchatsky. Kamchatka is geographically significant because it sits near major North Pacific air and sea routes, so this time zone can matter in fisheries, shipping, volcanology, and remote regional administration.
What is the UTC offset for PETST?
The exact UTC offset for PETST is UTC+12:00. This means local PETST time is 12 hours ahead of UTC, so when it is 8:00 AM UTC, it is 8:00 PM PETST on the same calendar day.
When does PETST change?
As a daylight-saving designation, PETST changes when the region moves between standard time and summer time. For 2026, the expected DST dates are 29 March 2026 for the switch into PETST (UTC+12) and 25 October 2026 for the return to standard time (UTC+11), though users should confirm the exact legal rule for the region and year they need.
Is PETST the same as UTC+12?
PETST uses the UTC+12 offset, but it is not always identical in meaning to every other UTC+12 label. Abbreviations such as NZST, FJT, or WAKT can share the same numerical offset at certain times, yet they belong to different countries or territories and may have different daylight-saving behavior, legal definitions, or seasonal changes.
What is the difference between PETST and PETT?
PETST is the summer version at UTC+12, while PETT is typically the standard Kamchatka time at UTC+11. The difference is exactly 1 hour, so if it is 2:00 PM PETST, it would be 1:00 PM PETT, which matters when comparing historical records or scheduling across dates before and after a DST change.
How far ahead is PETST from Moscow or Tokyo?
PETST at UTC+12 is 9 hours ahead of Moscow at UTC+3 and 3 hours ahead of Tokyo at UTC+9, assuming those offsets are in effect on the date being compared. So if it is 9:00 AM in PETST, it is 12:00 AM in Moscow and 6:00 AM in Tokyo, which is why same-day calls with Japan are much easier than with western Russia.