While there is no "legal" limit, packing more than two weeks in advance is often considered "too early" because it can lead to "item hoarding" and wrinkles. If you pack your everyday essentials weeks ahead, you'll end up digging through your suitcase to find things you still need, which creates a disorganized mess. However, starting a packing list or a "staging area" (like a guest bed) one month out is a "pro-tip" for 2026 travelers; this gives you time to realize you need a new swimsuit, a specific plug adapter, or that your favorite hiking boots need repair. Actual physical packing is best done 2 to 3 days before your trip. This ensures your clothes stay relatively fresh and you have a clear mind to check your "essentials" (passports, chargers, meds). A grounded "reality check": if you find yourself packing 10 weeks out, you're likely just channeling your "travel anxiety" into a hobby—which is fine, just be prepared to re-pack everything the night before to ensure nothing was forgotten!