Setting the correct timezone is essential for your conference. It ensures that conference schedules, submission deadlines, and email timestamps are all displayed accurately for your attendees. Getting this wrong can cause confusion with submission cutoff times and session start times.
Some commonly used timezone values for quick reference:
| Location | Timezone Value |
|---|---|
| Jakarta, Indonesia | Asia/Jakarta |
| Makassar, Indonesia | Asia/Makassar |
| Jayapura, Indonesia | Asia/Jayapura |
| Kuala Lumpur, Malaysia | Asia/Kuala_Lumpur |
| Singapore | Asia/Singapore |
| New York, USA | America/New_York |
| London, UK | Europe/London |
| Berlin, Germany | Europe/Berlin |
| Tokyo, Japan | Asia/Tokyo |
| Sydney, Australia | Australia/Sydney |
| Dubai, UAE | Asia/Dubai |
| Sao Paulo, Brazil | America/Sao_Paulo |
Step 1: Open the .env File
Locate and open the .env file in the root directory of your Leconfe installation. You can use any text editor, a file manager on your hosting panel, or an SSH terminal with commands like nano .env.
Step 2: Add the Timezone Configuration
Scroll to the bottom of the .env file and add the following line:
APP_TIMEZONE="Asia/Jakarta"
You can replace
Asia/Jakartawith your preferred timezone from the list above or the full reference table below.
Preview of the timezone setting in Leconfe:

Step 3: Save and Apply Changes
After saving the .env file, you must clear the application cache for the timezone change to take effect. Run the following command in your terminal from the Leconfe directory:
php artisan config:cache
Alternatively, you can restart your web server to apply all configuration changes at once.
Complete List of Supported Timezones
| Region | Timezone | Country |
|---|---|---|
| Africa | Africa/Cairo | Egypt |
Africa/Johannesburg | South Africa | |
Africa/Lagos | Nigeria | |
Africa/Nairobi | Kenya | |
| America | America/New_York | USA (Eastern Time) |
America/Chicago | USA (Central Time) | |
America/Denver | USA (Mountain Time) | |
America/Los_Angeles | USA (Pacific Time) | |
America/Mexico_City | Mexico | |
America/Bogota | Colombia | |
America/Lima | Peru | |
America/Santiago | Chile | |
America/Argentina/Buenos_Aires | Argentina | |
America/Sao_Paulo | Brazil | |
| Asia | Asia/Jakarta | Indonesia (WIB) |
Asia/Makassar | Indonesia (WITA) | |
Asia/Jayapura | Indonesia (WIT) | |
Asia/Kuala_Lumpur | Malaysia | |
Asia/Singapore | Singapore | |
Asia/Bangkok | Thailand | |
Asia/Manila | Philippines | |
Asia/Ho_Chi_Minh | Vietnam | |
Asia/Hong_Kong | Hong Kong | |
Asia/Tokyo | Japan | |
Asia/Seoul | South Korea | |
Asia/Shanghai | China | |
Asia/Taipei | Taiwan | |
Asia/Kolkata | India | |
Asia/Dhaka | Bangladesh | |
Asia/Karachi | Pakistan | |
Asia/Riyadh | Saudi Arabia | |
Asia/Dubai | United Arab Emirates | |
| Australia | Australia/Sydney | Australia (AEST) |
Australia/Melbourne | Australia (AEST) | |
Australia/Perth | Australia (AWST) | |
| Europe | Europe/London | United Kingdom |
Europe/Paris | France | |
Europe/Berlin | Germany | |
Europe/Madrid | Spain | |
Europe/Rome | Italy | |
Europe/Amsterdam | Netherlands | |
Europe/Moscow | Russia | |
Europe/Stockholm | Sweden | |
Europe/Istanbul | Türkiye | |
| Pacific | Pacific/Auckland | New Zealand |
Pacific/Fiji | Fiji |