Get current time in any timezone and convert times between locations. Use when user asks about time in different cities, timezone conversions, or scheduling across timezones.
npx skills add https://github.com/coleam00/custom-agent-with-skills --skill world_clock
Get the current time anywhere in the world and convert times between timezones. Useful for scheduling across timezones, checking times in other cities, and handling daylight saving time.
When a user asks about time or timezones:
Use the WorldTimeAPI with the appropriate timezone identifier.
API Endpoint:
https://worldtimeapi.org/api/timezone/{Area}/{Location}
Example - Get Tokyo time:
https://worldtimeapi.org/api/timezone/Asia/Tokyo
Example - Get New York time:
https://worldtimeapi.org/api/timezone/America/New_York
Format clearly with:
| City | Timezone ID |
|------|-------------|
| New York | America/New_York |
| Los Angeles | America/Los_Angeles |
| Chicago | America/Chicago |
| Denver | America/Denver |
| Toronto | America/Toronto |
| Vancouver | America/Vancouver |
| Mexico City | America/Mexico_City |
| Sao Paulo | America/Sao_Paulo |
| Buenos Aires | America/Argentina/Buenos_Aires |
| City | Timezone ID |
|------|-------------|
| London | Europe/London |
| Paris | Europe/Paris |
| Berlin | Europe/Berlin |
| Amsterdam | Europe/Amsterdam |
| Rome | Europe/Rome |
| Madrid | Europe/Madrid |
| Moscow | Europe/Moscow |
| Istanbul | Europe/Istanbul |
| Dublin | Europe/Dublin |
| City | Timezone ID |
|------|-------------|
| Tokyo | Asia/Tokyo |
| Singapore | Asia/Singapore |
| Hong Kong | Asia/Hong_Kong |
| Shanghai | Asia/Shanghai |
| Beijing | Asia/Shanghai |
| Seoul | Asia/Seoul |
| Mumbai | Asia/Kolkata |
| Delhi | Asia/Kolkata |
| Dubai | Asia/Dubai |
| Sydney | Australia/Sydney |
| Melbourne | Australia/Melbourne |
| Auckland | Pacific/Auckland |
| City | Timezone ID |
|------|-------------|
| Cairo | Africa/Cairo |
| Johannesburg | Africa/Johannesburg |
| Lagos | Africa/Lagos |
| Tel Aviv | Asia/Jerusalem |
| Riyadh | Asia/Riyadh |
| Abbreviation | Full Name | UTC Offset |
|--------------|-----------|------------|
| PST | Pacific Standard Time | UTC-8 |
| PDT | Pacific Daylight Time | UTC-7 |
| MST | Mountain Standard Time | UTC-7 |
| MDT | Mountain Daylight Time | UTC-6 |
| CST | Central Standard Time | UTC-6 |
| CDT | Central Daylight Time | UTC-5 |
| EST | Eastern Standard Time | UTC-5 |
| EDT | Eastern Daylight Time | UTC-4 |
| GMT | Greenwich Mean Time | UTC+0 |
| BST | British Summer Time | UTC+1 |
| CET | Central European Time | UTC+1 |
| CEST | Central European Summer Time | UTC+2 |
| IST | India Standard Time | UTC+5:30 |
| JST | Japan Standard Time | UTC+9 |
| AEST | Australian Eastern Standard Time | UTC+10 |
| AEDT | Australian Eastern Daylight Time | UTC+11 |
The WorldTimeAPI returns:
{
"abbreviation": "EST",
"datetime": "2024-01-15T14:30:00.123456-05:00",
"day_of_week": 1,
"day_of_year": 15,
"dst": false,
"dst_offset": 0,
"timezone": "America/New_York",
"unixtime": 1705343400,
"utc_datetime": "2024-01-15T19:30:00.123456+00:00",
"utc_offset": "-05:00",
"week_number": 3
}
Key fields:
datetime: Current local time with offsetabbreviation: Timezone abbreviation (EST, PST, etc.)utc_offset: Offset from UTCdst: Whether daylight saving time is activeday_of_week: 0=Sunday, 1=Monday, etc.User asks: "What time is it in Tokyo?"
https://worldtimeapi.org/api/timezone/Asia/Tokyo"It's currently 10:30 PM JST (Japan Standard Time) in Tokyo.
That's Monday, January 15, 2024.
UTC offset: +09:00"
User asks: "If I schedule a call for 3pm Eastern, what time is that in London?"
User asks: "Show me the time in New York, London, and Tokyo"
| City | Local Time | Date |
|------|------------|------|
| New York | 2:30 PM EST | Mon, Jan 15 |
| London | 7:30 PM GMT | Mon, Jan 15 |
| Tokyo | 4:30 AM JST | Tue, Jan 16 |
User asks: "I need to find a time that works for LA, New York, and Berlin"
If user mentions a city not in the common list:
DST changes dates vary by country:
Always check the dst field in the API response.
When converting across the International Date Line, the date may change:
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Take coleam00/world_clock from the repository into ~/.claude/skills for personal
use, or into .claude/skills inside a project.
The agent identifies a skill by the name field in its header. Two skills with the
same name cannot sit side by side — one of them will be ignored.