# Dateutils

> Use this skill when the user wants to manipulate dates and times, calculate differences, convert timezones, or format timestamps.

- Skill: `javimosch/dateutils` (Agent Skill)
- Install (CLI): `npx skillmds@latest add javimosch/dateutils`
- Raw SKILL.md: https://api.skillmd.com/api/skills/javimosch/dateutils/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: javimosch (https://skillmd.com/u/javimosch)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/javimosch/dateutils

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# dateutils Plugin

dateutils provides date/time manipulation tools.

## Usage Examples

- "calculate days between two dates"
- "add 30 days to a date"
- "convert timezone for a timestamp"
- "format date in custom output format"

## Installation

```bash
brew install dateutils
```

## Key Features
- Date difference calculation
- Duration add/subtract
- Timezone conversion
- Multiple date format support
- Sequence generation (daily, weekly, monthly)
- Batch file processing