datetime

DateTime Utilities

Date and time operations for scheduling, timezone conversion, and duration calculations.

Quick Start

Current Time

node /path/to/skills/datetime/scripts/now.js

Convert Timezone

node /path/to/skills/datetime/scripts/convert.js "2024-01-15 10:00" --from UTC --to "America/New_York"

Calculate Duration

node /path/to/skills/datetime/scripts/duration.js "2024-01-01" "2024-12-31"

Scripts

now.js

Get current date and time information.

Usage:

node now.js [OPTIONS]

Options:

• --timezone <tz> - Show time in specific timezone (default: local)
• --format <fmt> - Output format: iso, unix, human (default: human)
• --json - Output as JSON with all formats

convert.js

Convert time between timezones.

Usage:

node convert.js <datetime> --from <tz> --to <tz>

Arguments:

• <datetime> - Date/time to convert (ISO format or "YYYY-MM-DD HH:mm")
• --from <tz> - Source timezone (default: local)
• --to <tz> - Target timezone (required)

duration.js

Calculate duration between two dates.

Usage:

node duration.js <start> <end>

Options:

• --unit <unit> - Output unit: auto, days, hours, minutes, seconds

Examples

Current Time in Multiple Timezones

node now.js --json

Output:

{
  "local": "2024-01-15T10:30:00-05:00",
  "utc": "2024-01-15T15:30:00Z",
  "unix": 1705332600
}

Convert Meeting Time

node convert.js "2024-01-20 14:00" --from "America/Los_Angeles" --to "Europe/London"

Output: 2024-01-20 22:00 GMT

Days Until Deadline

node duration.js "$(date +%Y-%m-%d)" "2024-12-31"

Common Timezones

Code	Name
UTC	Coordinated Universal Time
America/New_York	Eastern Time
America/Los_Angeles	Pacific Time
Europe/London	GMT/BST
Europe/Paris	Central European
Asia/Tokyo	Japan Standard Time
Asia/Shanghai	China Standard Time
Australia/Sydney	Australian Eastern

ISO 8601 Format

All outputs support ISO 8601 format:

• Date: 2024-01-15
• DateTime: 2024-01-15T10:30:00
• With timezone: 2024-01-15T10:30:00-05:00
• UTC: 2024-01-15T15:30:00Z