PST to MST Time Converter (Los Angeles / San Francisco to Denver)

// Convert current time from PST (America/Los_Angeles) to MST (America/Denver)
const now = new Date();
const inMST = new Intl.DateTimeFormat('en-US', {
  timeZone: 'America/Denver',
  dateStyle: 'medium',
  timeStyle: 'long'
}).format(now);
console.log(inMST);

# Python 3.9+ using standard zoneinfo
from datetime import datetime
from zoneinfo import ZoneInfo

dt_pst = datetime.now(ZoneInfo("America/Los_Angeles"))
dt_mst = dt_pst.astimezone(ZoneInfo("America/Denver"))
print(f"PST: {dt_pst.strftime('%Y-%m-%d %H:%M %Z')}")
print(f"MST: {dt_mst.strftime('%Y-%m-%d %H:%M %Z')}")