v1.26.59LatestDecember 2024
Performance & Stability
3 Improved3 Fixed2 Perf
Focused entirely on speed and reliability — ~40 % faster popup cold-start, leaner memory footprint, and the IANA database updated to the 2024b release.
PerfPopup cold-start time reduced by ~40 % across all supported browsers — measured on both high-end and entry-level hardware
PerfExtension memory footprint reduced by 22 % — improvement is most noticeable with 10 or more cities in your list
ImprovedIANA timezone database updated to the 2024b release, incorporating new DST rules for Brazil, Egypt, and Kazakhstan
FixedDST countdown occasionally displayed an incorrect timezone name for cities in the southern hemisphere
FixedMicrosoft Edge extension badge failed to refresh time on DST change day
FixedRare race condition causing duplicate city rows when adding cities in rapid succession
ImprovedProfile switching now transitions with a smooth fade animation instead of a hard snap
ImprovedReminder list automatically scrolls to the nearest upcoming reminder when the panel opens
v1.26.40November 2024
Bug Fixes & Polish
4 Improved4 Fixed
Quality-of-life fixes across the reminder system, city search, drag-to-reorder, and annotation tooltip positioning.
FixedHoliday alerts were not appearing for several major Indian public holidays — Diwali, Holi, and Republic Day now correctly covered
Fixed/time shortcode no longer triggers accidentally inside password fields or account login forms
FixedAnnotation tooltip was clipped by the viewport edge on wide-monitor layouts at 150 % browser zoom
FixedSettings panel scroll position reset unexpectedly when toggling any individual switch
ImprovedDrag-to-reorder city rows is more responsive — reduced activation threshold and smoother placeholder preview
ImprovedCity search now returns results ~60 ms faster via an improved local city index
ImprovedReminder pre-alert notification body now includes the reminder title and the original timezone
ImprovedDay-shift badge now also shows the day name — "Tomorrow · Fri" instead of just "Tomorrow"
v1.26.0November 2024
Reminder System Overhaul
7 New2 Improved1 Fixed
The meeting reminder system is completely rebuilt — richer recurrence, configurable pre-alerts, automatic DST compensation, and a fully redesigned reminder list with live countdowns.
NewFive recurrence patterns: Once, Daily, Weekdays, Weekly, Monthly — selectable via pill buttons inside the reminder form
NewPre-alert notifications: choose 10 minutes, 15 minutes, 30 minutes, or 1 hour ahead of any reminder
NewDST-aware scheduling: when clocks change in the reminder's timezone, recurring reminders auto-adjust to preserve the intended local time
NewProgress bar in the reminder list showing elapsed time toward each upcoming trigger
NewThree urgency states: Pending (blue) → Urgent under 1 hour (amber) → Overdue (red) — each with distinct colour coding
NewLive countdown timer displayed next to each reminder — e.g., "in 3h 22m"
NewEach reminder now shows its scheduled time in the original timezone — e.g., "09:00 London" — so it is always unambiguous
ImprovedRedesigned date + time picker with an integrated month calendar widget directly inside the popup panel
ImprovedEditing a reminder opens in-place without closing or reloading the panel
FixedMonthly reminders set on the 29th–31st now correctly snap to the last available day of shorter months
v1.25.0October 2024
Firefox Support
4 New2 Improved1 Fixed
ClockinSync is now available on Mozilla Firefox via the official Add-on Marketplace (AMO). Full feature parity with Chrome and Edge from day one.
NewOfficial Firefox Add-on published on the Mozilla Add-on Marketplace (AMO) — install without sideloading
NewFull WebExtensions API port — every feature works on Firefox 109 and later
NewFirefox-native browser notifications for meeting reminders and pre-alerts
NewOmnibox support on Firefox: type "cis" in the address bar and press Tab to activate quick convert
ImprovedPage annotation correctly handles Firefox's shadow DOM isolation used inside Gmail
ImprovedExtension icons updated to meet Firefox AMO submission guidelines and branding requirements
FixedPopup width was inconsistent on Firefox at non-default browser zoom levels
v1.24.0September 2024
Annotation Improvements
2 New3 Improved2 Fixed
Broader and smarter time-string detection, a new keyboard toggle shortcut, and verified compatibility across the most-used web apps.
ImprovedSignificantly improved time-string pattern matching — now detects "at 3 PM", "15:30 CET", "noon EST", "9am", and common ISO-adjacent formats
NewKeyboard shortcut to toggle page annotation on/off: Alt+Shift+T on Windows/Linux, Option+Shift+T on macOS
ImprovedAnnotation verified and optimised for Gmail, Notion, Slack, Google Docs, Confluence, GitHub Issues, and Linear
NewMultiple annotation tooltips can now be open simultaneously — useful when comparing two different times on the same page
ImprovedTooltip now shows UTC offset for each city alongside the converted time
FixedAnnotation tooltip was interfering with the Google Docs comment toolbar on narrow viewport widths
FixedTimes inside PRE and CODE blocks are no longer annotated — avoids marking log file timestamps as timezone references
v1.23.0August 2024
Clipboard Detection
3 New1 Improved2 Fixed
ClockinSync now watches your clipboard for time strings and offers instant one-click conversions — no manual popup open required.
NewClipboard monitoring: when a time string is copied — e.g. "3:30 PM EST" — a compact conversion popup appears at the screen corner
NewThe popup shows all your saved cities with converted times; click any row to copy the formatted result
NewClipboard detection can be enabled or disabled from the new Integrations section in settings
ImprovedSettings panel reorganised into four sections: General, Appearance, Integrations, Notifications
FixedAnnotation tooltip occasionally failed to dismiss on Notion pages using custom web fonts
Fixed/time shortcode results picker sometimes rendered behind a sticky header in Slack web app
v1.22.0July 2024
Shortcode Enhancements
4 New2 Improved1 Fixed
The /time shortcode gets smarter — city autocomplete, timezone code support, country name lookup, and full keyboard navigation in the results picker.
NewCity autocomplete: type partial names after /time and get instant suggestions from the full city list
NewTimezone code support: /time 3pm EST, /time 15:00 UTC+5:30, /time 9am BST all resolve correctly
NewCountry name lookup: /time 3pm France automatically resolves to Europe/Paris
NewKeyboard navigation in the results picker: ↑↓ arrows to move, Enter to paste, Escape to dismiss
ImprovedResults picker auto-closes after a paste action — no more manual Escape needed
ImprovedResult rows now show a day-shift indicator (+1d / −1d) when the converted time crosses midnight
Fixed/time shortcode was conflicting with Notion's own slash-command menu — now uses a reserved prefix to avoid clashes
v1.21.0June 2024
Microsoft Edge Support
3 New1 Improved1 Fixed
ClockinSync is now available on the Microsoft Edge Add-ons store with full feature parity and Edge-native optimisations.
NewOfficial Microsoft Edge Add-ons store listing — install directly without sideloading
NewEdge-compatible permission model requiring fewer prompts during installation
NewOmnibox support on Edge: the same "cis" trigger as Chrome
ImprovedExtension toolbar icon updated to align with Edge's Fluent Design visual language
FixedPopup layout was misaligned on Edge at 125 % Windows system display scaling
v1.20.0May 2024
Holiday Database Expansion
1 New3 Improved1 Fixed
Holiday coverage doubles to 40+ countries with localised names, regional public holidays, and a first southern-hemisphere DST fix.
ImprovedHoliday database expanded from 20 to 40+ countries, adding South America, South-East Asia, the Middle East, and Sub-Saharan Africa
ImprovedHoliday names displayed in their locally used form where available — e.g., "Fête Nationale" for France
NewRegional holiday support: US State holidays, Australian State holidays, and Canadian Provincial holidays
FixedDST warnings were absent for southern hemisphere cities — Sydney, Auckland, Santiago, and Johannesburg now work correctly
ImprovedHoliday and DST banners stack cleanly when both apply to the same city on the same day — no more overlap or truncation
v1.18.0April 2024
/time Shortcode
6 New
Convert times without switching tabs. Type /time in any text field across the web — Slack, Gmail, Notion, Google Docs — to get instant conversions for your whole team.
New/time shortcode engine — triggers in any text field across Slack, Gmail, Notion, Google Docs, and virtually any web app
New/time now — shows the current time across every saved city in a floating results picker
New/time [time] [city] — converts a specific time in any city, e.g. /time 3pm Tokyo
NewSupports both 12-hour (3pm, 9:30am) and 24-hour (15:00, 09:30) input formats
NewResults picker: a floating panel showing city name, converted time, and day shift — click any row to paste
NewAfter paste, the /time trigger text is replaced with a clean formatted time string
v1.16.0March 2024
Page Annotation
6 New
ClockinSync now reads every page you visit and converts timezone references on the fly — hover any detected time to see your whole team's local equivalent.
NewPage annotation engine — scans any webpage for time strings like "3pm EST" or "10:00 PST" and marks them with a purple underline
NewHover any annotated time to see instant conversions for all your saved cities in a tooltip
NewBASE badge in the tooltip clearly marks your home city for quick orientation
NewGreen/red working-hours dot per city inside the tooltip — see who is available at that exact time
NewDay-shift indicator (+1d / −1d) in tooltip rows when the converted time crosses midnight
NewAnnotation tested and working in Gmail, Notion, Slack, Google Docs, GitHub, and Linear
v1.14.0February 2024
Meeting Reminders
6 New
Set timezone-aware meeting reminders directly from the extension — with native browser notifications, recurrence options, and a built-in calendar date picker.
NewReminders panel — add, view, edit, and delete meeting reminders directly inside the popup
NewFull date picker: integrated month calendar widget — no manual date typing needed
NewTimezone selector inside the reminder form — schedule in any city's local time, not just UTC
NewNative browser notifications: an OS-level alert fires at the configured time
NewFirst recurrence options: Once, Daily, Weekly
NewEdit any reminder in-place; single-click delete with confirmation
v1.12.0January 2024
Named Profiles
5 New1 Improved
Organise your cities into named profiles — Work, Clients, Team, Personal — and switch the entire set with one click.
NewNamed profiles: create up to 4 profiles on Free (unlimited on paid), each with its own independent city list
NewProfile pill tabs at the top of the popup — switch your whole city set in one click
NewCreate a profile by typing a name and saving your current cities to it instantly
NewRename and delete profiles from the dedicated profiles management panel
NewProfiles persist across browser restarts and sync via Chrome Sync on supported browsers
ImprovedPopup header redesigned to show profile pills without reducing the visible city list height
v1.10.0December 2023
DST Warnings
4 New1 Improved
Daylight Saving Time is now tracked for every city in your list — automatic 7-day countdown and a detailed change-day alert for every IANA timezone.
NewDST detection for all IANA-covered timezones — zero configuration required
NewAmber warning banner on affected city cards starting 7 days before the clock change
NewDay-of red alert: displays direction (spring forward / fall back), exact time of change, and number of minutes affected
NewCountdown shows days remaining — e.g., "DST forward 1h at 02:00 in 3 days"
ImprovedCity card layout updated to accommodate both a holiday and a DST banner simultaneously without expanding popup height
v1.8.0November 2023
Public Holiday Alerts
4 New1 Improved
ClockinSync now warns you before public holidays catch you off guard. Launches with coverage for 20 countries.
NewPublic holiday database covering 20 countries at launch, refreshed annually
NewAmber warning banner on city cards 7 days before any public holiday
NewRed alert banner on the day of the holiday, displaying the full holiday name
NewHoliday data updates automatically — no manual refresh or extension update required
ImprovedCity card date badge now shows a subtle holiday indicator when a holiday is within 7 days
v1.6.0October 2023
Working Hours
4 New1 Improved
Configure working hours per city and see at a glance who is actually available — right inside your city list.
NewWorking hours configuration: set a start and end time for each saved city from the settings panel
NewIn-hours indicator: the day/night dot turns bright green when a city is within its configured working hours
NewWorking hours overlap bar: a visual strip across your city list showing the shared availability window for the whole team
NewDedicated Working Hours section added to the settings panel
ImprovedTime slider now highlights the configured overlap window as you scrub through the day
v1.4.0September 2023
Dark Mode & Omnibox
3 New2 Improved1 Fixed
Dark mode with OS auto-detection lands, and the Omnibox shortcut lets you convert times without ever opening the popup.
NewDark mode: a full dark theme matching the extension's visual identity
NewThree theme options: Auto (follows your OS), Light, Dark — toggle in settings
NewOmnibox quick convert: type "cis" in Chrome's address bar, press Tab, type any time or city — get instant conversions without opening the popup
ImprovedCity search performance improved — results appear in under 100 ms for common city names
ImprovedPopup respects the OS-level font size preference
FixedExtension toolbar icon appeared blurry on Retina and HiDPI displays at 2× pixel density
v1.2.0August 2023
Time Navigation
5 New1 Improved
A time slider lets you scrub through the entire day to preview team availability — see who is in working hours at any moment without guessing.
NewTime slider: drag horizontally to scrub any hour of the day — all city times update live as you drag
New"Now" button: one click resets the slider back to the current time
NewBase city: star any city to mark it as your home timezone — all offsets are shown relative to your base
NewDrag-to-reorder: drag city rows into any order you prefer
NewToolbar badge: base city time shown directly in the browser toolbar (toggleable)
ImprovedCity list now scrolls smoothly when you have more than 5 saved cities
v1.1.0July 2023
Core Improvements
4 New2 Improved1 Fixed
First post-launch update — day/night indicators, day-shift badges, 12h/24h format toggle, and city lists that finally persist across restarts.
NewDay/night indicator dot: green = daytime, red = nighttime — updated every minute in real time
NewDay-shift badge: shows Today, Tomorrow, Yesterday, or +Nd / −Nd relative to your local calendar date
New12h / 24h format toggle in settings — your preference persists across browser restarts
NewCity list now persists across browser restarts (previously reset every time the popup closed)
ImprovedCity search expanded to 600+ IANA timezone cities — up from 80 at initial launch
ImprovedAdd-city results now show country and UTC offset alongside the city name
FixedPopup width flickered momentarily when adding the very first city to an empty list
v1.0.0June 2023
Initial Release
6 New
ClockinSync launches on the Chrome Web Store. A fast, focused timezone popup for anyone working across multiple time zones — no account, no setup, no friction.
NewBrowser extension popup showing live times for up to 5 saved cities
NewCity search backed by the IANA timezone database (80 cities at launch)
NewAdd and remove cities from your personal list
NewAutomatic time refresh — clocks update every minute
NewEntirely local: no account required, no data sent to any server
NewChrome Web Store listing, Manifest V3 compliant
v1.0.0 — June 2023 — Initial release
Want to see it in action?
Every feature in this changelog is live in the extension right now. Install free and try it.