date-check

takumi12311123's avatarfrom takumi12311123

Verify current date from system. Use when outputting dates, scheduling, or time-sensitive operations. Prevents knowledge cutoff errors.

⭐1stars🔀0forks📁View on GitHub🕐Updated Jan 2, 2026

When & Why to Use This Skill

The Date Check Claude skill enables AI agents to retrieve the precise current system date and time, effectively bypassing AI knowledge cutoff limitations. By providing real-time temporal awareness, it ensures accuracy in scheduling, deadline management, and time-sensitive data processing, making it an essential utility for reliable agentic workflows.

Use Cases

  • Accurate Scheduling: Determine the correct day of the week and date for setting appointments, meetings, or project deadlines without relying on outdated training data.
  • Relative Date Calculation: Precisely compute dates for 'tomorrow', 'next week', or 'last month' by anchoring calculations to the verified system 'now'.
  • Time-Sensitive Documentation: Generate reports, logs, or automated files with accurate timestamps and year-specific information to maintain data integrity.
  • Knowledge Cutoff Correction: Prevent common AI hallucinations regarding the current year or date, ensuring all temporal context in the conversation is grounded in reality.
namedate-check
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Date Check SKILL

Purpose

Prevent date errors caused by knowledge cutoff. Get accurate current date/time from the system.

When to Use

Automatic Triggers

  • Before outputting dates or day of week
  • Before using relative dates ("today", "tomorrow", "this week")
  • Before mentioning schedules or deadlines
  • Before outputting year-specific information

Manual Check

  • When user asks about dates
  • When handling time-sensitive information

Process

Step 1: Get Current Date

date "+%Y-%m-%d %H:%M:%S %A"

Note: Output varies by system. Always trust the actual execution result.

Step 2: Verify Against Environment

Cross-check with Today's date in environment info.

Step 3: Use Correct Date

Use the verified date in your response.

Important Reminders

  1. Never trust knowledge cutoff - Always verify system date
  2. Pay special attention to year - May default to wrong year
  3. Calculate relative dates - Compute "last week", "next month" from current date

Quick Reference

Info Command
Today date "+%Y-%m-%d"
Day of week date "+%A"
Week number date "+%V"
Day of year date "+%j"