MCP Time Server Node

#!/usr/bin/env node const { parseISO, format } = require('date-fns'); const { toDate, formatInTimeZone } = require('date-fns-tz'); console.log('=== Testing Timezone Issues ===\n'); // Test 1: UTC timezone with Z suffix console.log('1. UTC timezone test:'); const utcTime = '2025-01-20T14:00:00Z'; const utcEnd = '2025-01-20T18:00:00Z'; const utcStart = parseISO(utcTime); const utcEndDate = parseISO(utcEnd); console.log('Start:', format(utcStart, 'HH:mm'), 'UTC'); console.log('End:', format(utcEndDate, 'HH:mm'), 'UTC'); console.log('Hours:', (utcEndDate - utcStart) / 1000 / 60 / 60); // Business hours in UTC: 9 AM - 5 PM // Start at 2 PM, end at 6 PM // Should be 3 hours (2 PM - 5 PM) // Test 2: Tokyo timezone console.log('\n2. Tokyo timezone test:'); const tokyoTimeStr = '2025-01-20T10:00:00'; const tokyoEndStr = '2025-01-20T14:00:00'; // Parse as Tokyo time const tokyoStart = toDate(tokyoTimeStr, { timeZone: 'Asia/Tokyo' }); const tokyoEnd = toDate(tokyoEndStr, { timeZone: 'Asia/Tokyo' }); console.log('Tokyo start string:', tokyoTimeStr); console.log('Tokyo end string:', tokyoEndStr); console.log('Start in UTC:', tokyoStart.toISOString()); console.log('End in UTC:', tokyoEnd.toISOString()); console.log('Hours difference:', (tokyoEnd - tokyoStart) / 1000 / 60 / 60); // If 10 AM - 2 PM in Tokyo, that's 4 hours // Business hours should be calculated in Tokyo time console.log('\n=== Done ===');