Issue Description
The Mac displays an incorrect date or time, causing login, iCloud, and app sync issues.
Common Causes
- Automatic time sync disabled
- Network time server issues
- CMOS/NVRAM glitches
Step-by-Step Solution
Step 1: Enable Automatic Time
- Open System Settings → General → Date & Time
- Enable Set time and date automatically
Step 2: Verify Time Server
- Click Set next to Time Server
- Use: time.apple.com
Step 3: Restart Mac
- Confirm date and time update correctly
Step 4: Reset NVRAM (Intel Macs)
- Shut down
- Power on → hold Option + Command + P + R (20 sec)
Explore Further
- Test on another network
Prevention & Best Practices
Keep automatic time enabled.