Passage of Time

Name: Passage of Time
Availability: InStock
Author: justcfx2u

Supports UI

by justcfx2u

Provide AI assistants with temporal awareness, timezone-aware parsing, and precise date/time manipulation.

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Works in:claude

Exposes:Tools

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What it does

Passage of Time is a Go-based MCP server that grants language models an accurate understanding of time. It overcomes the inherent limitations of LLMs regarding the current date and time by providing tools for timezone-aware calculations and timestamp parsing.

Tools

current_datetime: Get the exact current time in any specified timezone
parse_timestamp: Convert varied date/time formats into standardized timestamps
add_time: Add or subtract specific durations from a given time
time_difference: Calculate the exact duration between two timestamps
time_since: Determine how much time has elapsed since a specific event
list_timezones: Browse the complete list of 597 IANA timezones

Installation

Configure your MCP client to run the binary:

"passage-of-time": {
  "type": "stdio",
  "command": "path/to/passage-of-time-mcp-windows-amd64.exe",
  "args": [],
  "env": {}
}

Supported hosts

Confirmed for Claude Desktop.

Quick install

./passage-of-time-mcp

Information

Pricing: free
Published: 4/19/2026
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