世界时钟

复制from datetime import datetime, timezone, timedelta

# 定义时区偏移（小时）
tz_offsets = {
    "UTC": 0,
    "New York": -5,
    "London": 0,
    "Tokyo": 9,
    "Shanghai": 8,
}

# 获取当前 UTC 时间
utc_now = datetime.now(timezone.utc)

# 打印各时区当前时间
for city, offset_hours in tz_offsets.items():
    tz = timezone(timedelta(hours=offset_hours))
    local_time = utc_now.astimezone(tz)
    print(f"{city}: {local_time.strftime('%Y-%m-%d %H:%M:%S')}")

# 示例输出（取决于运行时刻）：
# UTC: 2025-03-25 14:30:00
# New York: 2025-03-25 09:30:00
# London: 2025-03-25 14:30:00
# Tokyo: 2025-03-25 23:30:00
# Shanghai: 2025-03-25 22:30:00

复制package main

import (
	"fmt"
	"time"
)

func main() {
	// 定义时区
	locations := map[string]string{
		"UTC":       "UTC",
		"New York":  "America/New_York",
		"London":    "Europe/London",
		"Tokyo":     "Asia/Tokyo",
		"Shanghai":  "Asia/Shanghai",
	}

	// 获取当前 UTC 时间
	now := time.Now().UTC()

	// 遍历并打印各时区时间
	for city, locName := range locations {
		loc, err := time.LoadLocation(locName)
		if err != nil {
			fmt.Printf("Error loading location %s: %v\n", locName, err)
			continue
		}
		localTime := now.In(loc)
		fmt.Printf("%s: %s\n", city, localTime.Format("2006-01-02 15:04:05"))
	}

	// 示例输出（取决于运行时刻）：
	// UTC: 2025-03-25 14:30:00
	// New York: 2025-03-25 09:30:00
	// London: 2025-03-25 14:30:00
	// Tokyo: 2025-03-25 23:30:00
	// Shanghai: 2025-03-25 22:30:00
}

复制// 定义时区偏移（小时）
const tzOffsets = {
  'UTC': 0,
  'New York': -5,
  'London': 0,
  'Tokyo': 9,
  'Shanghai': 8,
};

// 获取当前 UTC 时间
const now = new Date();

// 打印各时区当前时间
for (const [city, offsetHours] of Object.entries(tzOffsets)) {
  const localTime = new Date(now.getTime() + offsetHours * 60 * 60 * 1000);
  const formatted = localTime.toISOString().replace('T', ' ').substring(0, 19);
  console.log(`${city}: ${formatted}`);
}

// 示例输出（取决于运行时刻）：
// UTC: 2025-03-25 14:30:00
// New York: 2025-03-25 09:30:00
// London: 2025-03-25 14:30:00
// Tokyo: 2025-03-25 23:30:00
// Shanghai: 2025-03-25 22:30:00