date-calculator-and-timestamp-tool-set

Name: date-calculator-and-timestamp-tool-set
Availability: InStock
Author: AgentPMT

Performs date arithmetic, timezone conversions, and timestamp formatting via external API.

Updated Feb 24, 2026

Search Tags:#time #date #calculator #timezone #timestamp #duration

Ready to run

npx skills add https://github.com/AgentPMT/agent-skills --skill date-calculator-and-timestamp-tool-set

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: date-calculator-and-timestamp-tool-set
Source: https://github.com/AgentPMT/agent-skills/tree/main/skills/date-calculator-and-timestamp-tool-set
Command: npx skills add https://github.com/AgentPMT/agent-skills --skill date-calculator-and-timestamp-tool-set

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill simplifies complex date and time calculations, conversions, and parsing, eliminating manual errors and saving time on scheduling, reporting, and data analysis.

Core Features & Use Cases

Date Arithmetic: Add/subtract days, business days, hours, and minutes.
Time Calculations: Determine time until/since events, calculate durations, and check for working hour overlaps.
Format Conversions: Convert between Unix timestamps, ISO formats, and human-readable strings. Parse complex duration strings.
Use Case: Calculate the exact number of business days between two project start and end dates, excluding weekends, to accurately estimate project timelines.

Quick Start

Use the date-calculator-and-timestamp-tool-set skill to calculate the time until January 1st, 2025.

Frequently Asked Questions about date-calculator-and-timestamp-tool-set

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I calculate business days between two dates excluding weekends?▼

To calculate business days between two dates, you need date arithmetic that excludes weekends. This Skill performs that calculation by adding or subtracting business days from a start date to reach an end date for accurate project timeline estimation.

What is the best way to convert a Unix timestamp to an ISO format string?▼

Converting a Unix timestamp to an ISO format string requires format conversion tools. This Skill transforms between Unix timestamps, ISO formats, and human-readable strings to ensure consistent temporal data representation across systems.

Can I parse complex duration strings and calculate time since an event?▼

Parsing complex duration strings and calculating time since an event involves temporal analysis. This Skill determines time until or since specific events and parses duration strings to extract exact temporal measurements.

Does this date calculator support timezone conversions for scheduling?▼

Timezone conversions for scheduling require shifting times across regions. This Skill supports converting timezones alongside date arithmetic and temporal analysis, allowing you to check for working hour overlaps across different zones.

How do I add and subtract hours or minutes from a specific date?▼

Adding and subtracting hours or minutes from a specific date is a core date arithmetic function. This Skill handles operations like adding or subtracting days, hours, and minutes to compute precise future or past temporal points.