from datetime import datetime
import time

# 获取当前时间
now = datetime.now()
utc_now = datetime.utcnow()

print(f"Local time: {now}")
print(f"UTC time: {utc_now}")
print(f"Timezone offset: {now.utcoffset()}")

# 测试时间差计算
test_time = datetime.fromisoformat("2025-12-14T19:00:00")
elapsed = (now - test_time).total_seconds()
print(f"Time elapsed since {test_time}: {elapsed} seconds")

# 测试60秒倒计时
countdown_seconds = 60
time_remaining = max(0, int(countdown_seconds - elapsed))
print(f"Time remaining for 60s countdown: {time_remaining} seconds")