Calendar and Date/Time

Subscribe

Birthday Calendar

Adds calendars containing the birthdays from your address books.

Rated 4 out of 5 stars (7)
495 users
Added Oct. 30, 2020

Mahour-Iranian-Date

This add-on adds a new column called "تاریخ" in message list containing Iranian Date to ThunderBird..

It is reimplementation of Iranian date for thunderbird in Thunderbird 78. The source is based on Full address column by Łukasz Kosson.

Rated 5 out of 5 stars (3)
22 users
Added Oct. 2, 2020

GCalTab

GCalTab is a Thunderbird add-on that opens Google Calendar website in a Thunderbird tab. It features a beautiful dark mode thanks to the DarkReader algorithm.

Rated 5 out of 5 stars (4)
699 users
Added May 14, 2020

Iranian Date For Thunderbird Requires Restart

Adds a new Iranian(Persian/Jalali) date column to Thunderbird.

Not yet rated
1 user
Added March 19, 2020

Google Calendar Tab

Adds a button to open Google Calendar in a new Tab

Rated 5 out of 5 stars (9)
7,825 users
Added Feb. 11, 2020

marked-lightning

Extension for Lightning: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.

Rated 5 out of 5 stars (1)
260 users
Added Jan. 1, 2020

G Suite in tab

Abrir URL de G Suite en pestañas (por el momento solo están los botones de Calendar y Keep)

Not yet rated
187 users
Added Oct. 13, 2019

M-Hub Lite

Add Microsoft Office 365 Tabs to Thunderbird! Services supported by M-Hub Lite: Calendar, People, OneDrive, Word, Excel, PowerPoint, & Bing. Need business or enterprise support? Get M-Hub Pro: https://www.schiffner.com/software/m-hub-pro

Rated 3 out of 5 stars (2)
311 users
Added Oct. 3, 2019

Custom sync interval for Lightning Calendar Requires Restart

Allows custom synchronization intervals for remote calendars imported by Lightning Calendar (no fiddling in about:config necessary)

Rated 5 out of 5 stars (1)
233 users
Added Aug. 21, 2019

Enhanced Date Formatter Requires Restart

Configure the 'Date' and 'Received' columns and displayed date in the message pane using custom formats. You can even use different date formats for emails with today's date, yesterday's date, dates in the last week, or dates older than a week.

Rated 4 out of 5 stars (12)
56 users
Added June 24, 2019

Show Outlook Appointments (vcal / ics) Requires Restart

An extension to show embedded Outlook calendar (vcal / ics) parts.

Thunderbird doesn't show calendar parts from Outlook appointment emails. This addon adds a button to download the embedded appointment as ICS to import it into another calendar.

Rated 3 out of 5 stars (3)
172 users
Added Jan. 7, 2019

Open Google Calendar

Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)

Rated 4 out of 5 stars (55)
26,198 users
Added Nov. 23, 2018

Provider for Exchange ActiveSync

Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync

Rated 5 out of 5 stars (18)
24,325 users
Added Nov. 5, 2018

Provider for CalDAV & CardDAV

This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync". Including iCloud, ownCloud, Nextcloud, Radicale and many more.

Rated 5 out of 5 stars (30)
38,631 users
Added Aug. 20, 2018

Events spanning multiple days Requires Restart

Displays multiple day events as a "spanning" event, without borders of the day-elements inside the month- and multiweek-view.

Rated 3 out of 5 stars (3)
4 users
Added July 7, 2018

Jalali Date Format Requires Restart

Convert Date/Received column to Jalali (Persian Date).

* Adds a column in the mail view for displaying Iranian dates for each email.
* Supports both English and Persian Iranian Date.

more info contact N3tD3vil@Yahoo.com

Rated 5 out of 5 stars (1)
0 users
Added Oct. 24, 2017

AdvancedTasks Requires Restart

Thunderbirds Lightning Extension: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.

Rated 4 out of 5 stars (9)
89 users
Added March 28, 2017

TbSync

TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.

Rated 5 out of 5 stars (140)
60,965 users
Added Jan. 21, 2017

lightningWeather Requires Restart

LightningWeather shows the weather forecast in the background of the calendar so you can easily coordinate your activities with the weather.

Rated 3 out of 5 stars (12)
135 users
Added Jan. 15, 2017

Lightning Invitation Notifier Requires Restart

This extension is an extension to Mozilla Lightning for Thunderbird.
It shows a toast message and opens the invitations window when an invitation arrives.

Rated 4 out of 5 stars (2)
975 users
Added Jan. 10, 2017