Currency Converter
$1 USD Equals
1,000 Argentine Pesos (ARS) Equal
Traveler Measurement & Fuel Toolkit
Adjusting to Jet Lag
-
Overview of Your Route (Time Shifts)
Boston → Tokyo: +14 hours (hardest shift)
Tokyo → Delhi: −3.5 hours (easier)
Delhi → Paro: +0.5 hour (negligible)
Paro → Delhi → Boston: −9.5 hours total (challenging westbound)
✈️ Leg 1: BOSTON > TOKYO
March 10 | Depart 13:15Before Departure (March 7–9)
Shift sleep 1 hour earlier each night
Reduce evening light, get early morning sunlight
Begin eating meals slightly earlier
During the FlightChange watch to Tokyo time once onboard
Try to sleep during Tokyo nighttime (even if broken)
Hydrate heavily; skip alcohol
Light stretching every 1–2 hours
Arrival in Tokyo (Day 1–3)
Rules to live by:❌ No naps on Day 1 (15 min max if desperate, before 3 pm)
✅ Get outdoors immediately—walking is perfect
🍜 Eat on local time, even if not hungry
😴 Bedtime: target 10–11 pm local
OptionalMelatonin 0.5–1 mg for first 2–3 nights only
⏱ Expect to feel normal by Day 4
_________________________________________________________________
✈️ Leg 2: TOKYO > DELHI
March 24 | Depart 10:35This is an easier shift (backward 3.5 hours).
StrategyStay up slightly later the 2 nights before departure
On arrival, evening light is your friend
No melatonin needed unless sleep is very disrupted
⏱ Adjustment: 1–2 days
_________________________________________________________________✈️ Leg 3: DELHI > PARO
March 25 | Depart 04:15Time change is minimal, but the early departure is the challenge.
StrategyGo to bed early the night before
Sleep on the flight if possible
Treat Paro as Delhi time—no clock reset needed
Focus on hydration and gentle movement (altitude matters here)
⏱ Adjustment: Same day
_________________________________________________________________✈️ Leg 4: PARO > DELHI
March 31 | Depart 11:15No jet lag—just manage energy.
Light activity
Early dinner
Pack and rest for the long haul home
_________________________________________________________________✈️ Leg 5: DELHI > BOSTON
April 1 | Depart 02:05This westbound return is tough but manageable.
During the Flight
Sleep during Boston nighttime
Use eye mask + earplugs
Skip alcohol completely
Arrival in Boston
Stay awake until 9–10 pm local
Get afternoon sunlight
No naps longer than 20 minutes
First 3 Days Home
Wake up at the same time every day
Exercise lightly in the late afternoon
Avoid melatonin—let your body stretch back naturally
⏱ Expect 3–4 days to fully normalize
_________________________________________________________________Adventure-Proven Extras
Compression socks on all long-haul legs
High-protein breakfasts = faster clock reset
Cool, dark rooms = deeper recovery sleep
Walking beats caffeine for alertness
___________________________________________________________________________________________This is the single most effective trick for reducing jet lag on your BOSTON > TOKYO flight.
Most travelers try to fix jet lag on the plane, but the biggest advantage actually comes from
the night before departure.✈️ The “Split-Night” Jet Lag Trick
(Used by pilots and elite athletes)Your flight leaves Boston at 13:15, which is 03:15 the next morning in Tokyo.
So when you board, Tokyo is already starting its day.
Instead of sleeping normally the night before, you split your sleep.
_________________________________________________________________The Night Before Departure
Step 1 — Go to Bed Very Early
8:00–8:30 pm Boston time
Sleep about 4–5 hours.
Example:
Sleep: 20:30 → 01:00
Step 2 — Wake Up in the Middle of the NightAround 01:00–02:00
Stay awake.
Good activities:
Light packing
Reading
Shower
Quiet work
Avoid bright screens.
Step 3 — Short Morning Nap
Around 07:30–09:00
Take a 90-minute nap.
This is key because it lines up with late evening in Tokyo, helping shift your clock.
What This Does
Instead of boarding the plane fully rested, you board with moderate sleep pressure.
That makes it much easier to fall asleep during the correct window on the flight.
_________________________________________________________________On the BOSTON > TOKYO Flight
13:15 Takeoff
Stay awake for the first 2–3 hours.
Eat the meal, watch a movie.
Sleep Window
Around 3–9 hours into the flight
Try to sleep 4–6 hours.
This corresponds to nighttime in Tokyo.
Wake Up
About 4 hours before landing
Stay awake for the rest of the flight.
Hydrate, stretch, light snack.
_________________________________________________________________Arrival Strategy in Tokyo
When you land:
No naps
Go outside within 1 hour
Walk and explore
Dinner at normal time
Bed around 22:00–23:00
_________________________________________________________________WHY THIS TRICK WORKS
Without it:
You’re fully rested on the plane
You can’t sleep
You arrive exhausted
Jet lag lasts 3–4 days
With the split-night strategy:
You sleep during the correct part of the flight
Your brain gets a partial clock reset
Most people recover in 1–2 days
-
🌍 ROUTE & TIME SHIFTS (AT A GLANCE)
Los Angeles → Seoul → Sapporo
+17 hours total (hardest adjustment)Tokyo → Delhi
−3.5 hours (easy)Delhi → Paro
+0.5 hour (negligible)Delhi → Paris → London → Orange County
−9 hours total (moderate westbound)
_________________________________________________________________✈️ LEG 1: LOS ANGELES > SEOUL > SAPPORO
Depart March 17 at 23:50 | 6-hour layover in Seoul
Before Departure (March 14–17)Shift bedtime and wake-up earlier by 45–60 min/day
Get morning sunlight, reduce evening screens
Start eating meals earlier
On the Flight
DL 7834 / DL 7898 – Korean AirSet watch to Japan time once onboard
Sleep when it’s night in Sapporo
Hydrate aggressively, skip alcohol
Compression socks + aisle walks every 1–2 hrs
Seoul Layover (6 Hours – This Matters)
Stay awake
Walk the terminal frequently
Eat a light meal timed to Japan daytime
Avoid naps longer than 15 minutes
Bright light exposure helps reset your clock
Arrival in Sapporo (Day 1–3)
Rules to live by:❌ No naps on Day 1 (15 min max if desperate, before 3 pm)
✅ Get outdoors immediately—walking is perfect
🍜 Eat on local time, even if not hungry
😴 Bedtime: target 10–11 pm local
OptionalMelatonin 0.5–1 mg for first 2–3 nights only
⏱ Expect to feel normal by Day 4
🕒 Time in Japan During Your Flight
You’re departing Los Angeles on March 17 at 23:50.
In mid-March:
➡️ Japan is 16 hours ahead of Los AngelesLos Angeles = PDT (UTC −7)
Japan (Sapporo / Tokyo) = JST (UTC +9)
✈️ At Key Moments
At takeoff (LAX 23:50, Mar 17)
> Japan time: 15:50 (3:50 pm), Mar 181 hour into the flight
> Japan time: 16:506 hours into the flight (around your Seoul layover start)
> Japan time: 21:50 (9:50 pm)Overnight on the plane (your “sleep window”)
> It will be late evening → early morning in Japan
_________________________________________________________________
✈️ Leg 2: TOKYO > DELHI
March 24 | Depart 10:35This is an easier shift (backward 3.5 hours).
StrategyStay up slightly later the 2 nights before departure
On arrival, evening light is your friend
No melatonin needed unless sleep is very disrupted
⏱ Adjustment: 1–2 days
_________________________________________________________________✈️ Leg 3: DELHI > PARO
March 25 | Depart 04:15Time change is minimal, but the early departure is the challenge.
StrategyGo to bed early the night before
Sleep on the flight if possible
Treat Paro as Delhi time—no clock reset needed
Focus on hydration and gentle movement (altitude matters here)
⏱ Adjustment: Same day
_________________________________________________________________✈️ Leg 4: PARO > DELHI
March 31 | Depart 11:15No jet lag—just manage energy.
Light activity
Early dinner
Pack and rest for the long haul home
_________________________________________________________________✈️ Leg 5: DELHI > LONDON > PARIS
April 1 | Depart 02:05During the Flight
Virgin Atlantic VS303 / VS6665Sleep during Europe nighttime
Use eye mask + earplugs
Avoid alcohol completely
Arrival in London/Paris
Stay awake until 9–10 pm local
Get afternoon sunlight
No naps longer than 20 minutes
⏱ Expect 2–3 days to fully normalize
_________________________________________________________________✈️ Leg 6: LONDON > DENVER > LOS ANGELES
April 12 | Depart 02:05During the Flight
United Airlines UA263/1704Stay awake most of the flight so you can sleep at a normal California bedtime after arrival.
STRATEGYFirst 3–4 hours of the flight
Stay awake
Eat the meal service
Hydrate
Watch a movie or read
Optional short nap
If very tired, take one short nap (30–60 minutes max)
Do this mid-flight, not near landing
Last 2 hours before landing
Be fully awake
Drink water
Avoid caffeine
Denver Layover (90 minutes)
At this point it will feel like middle of the night in London, but early evening in the U.S.
What to do:
Walk the terminal
Bright light exposure
Eat a light snack if hungry
Avoid alcohol
Movement helps your brain switch time zones.
DENVER > ORANGE COUNTY
Stay awake for this short flight.Hydrate and relax—your goal is simply to make it to bedtime in California.
Arrival in California
You’ll land at 8:47 pm California time, which feels like 3:47 am London time.
Critical rule
Do not go to sleep immediately.Instead:
Unpack
Take a shower
Light snack
Wind down
Target bedtime
10:00–10:30 pm
This anchors your clock to California quickly.
⏱ Expect 2–3 days to fully normalize
_________________________________________________________________Here’s the pilot trick that many long-haul crews use to reduce jet lag when flying westbound (like **London → Santa Ana via Denver). It’s simple but surprisingly effective.
✈️ The “Half-Night” Sleep Trick
Instead of trying to stay awake the entire flight or sleeping normally, pilots often aim for half a night of sleep during the flight.
Why it works:
It prevents total exhaustion on arrival.
But it doesn’t satisfy your full sleep need, so your body still wants to sleep at the correct bedtime in California.
How to Use It on Your Flight
1️⃣ Stay Awake After Takeoff
14:50–18:00 London time
Eat the meal
Watch a movie
Hydrate
Avoid alcohol
Your body still thinks it’s afternoon.
2️⃣ Take a Controlled “Half Night” Sleep
Around 4–5 hours into the flight.
Sleep for 2–3 hours maximum.
Set an alarm if needed.
Example timeline:
London TimeWhat to Do14:50Takeoff18:30–19:00Try to sleep21:00–21:30Wake up
This is not enough sleep to ruin your evening, but enough to take the edge off fatigue.
3️⃣ Stay Awake the Rest of the Flight
Last few hours before Denver arrival:
Drink water
Move around
Bright light helps signal daytime
Why This Works
If you sleep too much on the plane, your body thinks it had a full night and you'll be awake at 2–3 am in California.
If you don’t sleep at all, you'll crash at 8–9 pm immediately after landing.
The half-night trick keeps sleep pressure high, which helps you fall asleep naturally around 10–10:30 pm.
Your Ideal Arrival Night
Landing in Orange County at 20:47:
Stay awake about 60–90 minutes
Shower, unpack, hydrate
Bedtime around 22:00
Morning Reset
Next morning:
Wake 07:00–08:00
Get sunlight immediately
Light walk or coffee outside
That sunlight tells your brain:
“This is morning in California now.”
Most travelers recover in about one day using this strategy.
-
🌍 Time Zone Overview
Major shifts on your route:
Buenos Aires → Delhi
+8.5 hours (biggest adjustment)Delhi → Colombo
+0.5 hour (negligible)Colombo → Singapore
+2.5 hoursSingapore → New York City
−12 hours (large westbound shift)New York → San Juan
+1 hourSan Juan → Bogotá → Buenos Aires
Small shift then back to home time
_________________________________________________________________✈️ LEG 1
Buenos Aires → Istanbul → Delhi
Turkish Airlines TK16 / TK716
Depart 23:55 Mar 21
Arrive 05:51 Mar 23The Goal
Start shifting toward India time as soon as you board.
On the Plane
After takeoff:
Stay awake ~3 hours
Eat meal
Hydrate
Light entertainment
Then:
Sleep 5–6 hours
Use:
Eye mask
Earplugs
Neck pillow
Wake up several hours before landing in Istanbul.
Istanbul Layover
Use the long layover strategically.
Do this:
Walk frequently
Eat a light meal
Stay hydrated
Get bright light exposure
Avoid:
Long naps
Short nap allowed: 20 minutes max if extremely tired.
Arrival in Delhi
When you land in Delhi at 05:51:
Best strategy:
Do not nap
Get outside within 2 hours
Eat breakfast normally
Stay lightly active
Target bedtime:
21:30–22:30Most people adjust in 2–3 days.
_________________________________________________________________✈️ LEG 2
Delhi → Colombo
SriLankan Airlines UL196
Depart 18:45 Mar 31Time difference is only 30 minutes.
No jet-lag strategy needed.
Just:
Stay hydrated
Go to bed normally.
_________________________________________________________________✈️ LEG 3
Colombo → Singapore
Singapore Airlines SQ463
Depart 11:45 Apr 12Small +2.5 hour shift.
Strategy:
Stay awake during the flight
Get evening light in Singapore
Bedtime around 22:30–23:00
Adjustment usually takes one night.
_________________________________________________________________✈️ LEG 4
Singapore → New York
Singapore Airlines SQ24
Depart 12:10 Apr 15This is a huge westbound jump (−12 hours).
Westbound is easier if you sleep part of the flight but not too much.
Strategy
First half of flight:
Stay awake
Eat meal
Hydrate
Middle of flight:
Sleep 4–5 hours
Last 4 hours before landing:
Stay awake
Drink water
Stretch
Arrival in New York (18:50)
You’ll feel like it’s early morning Singapore time.
Critical rules:
Stay awake until 22:30–23:00
Take a shower
Eat a light dinner
Next morning:
Get sunlight immediately
Walk outside
Adjustment: 1–2 days.
_________________________________________________________________✈️ LEG 5
New York → San Juan
JetBlue B6803
Arrive 02:07 Apr 16
This late arrival makes sleep easy.
Go straight to bed.
_________________________________________________________________✈️ LEG 6
San Juan → Bogotá → Buenos Aires
Avianca AV259 / AV155
This returns you almost exactly to your original time zone.
Minimal jet lag expected.
_________________________________________________________________🧠 Universal Jet Lag Rules for This Trip
Sunlight resets your clock faster than sleep.
Hydrate aggressively on long-haul flights.
Avoid alcohol on overnight flights.
Walk frequently during layovers.
Use short naps only (20–30 min)
_______________________________________________________________________________________________
⭐ The Most Important Moment of This Entire Trip ⭐
The first morning in Delhi.
If you:
stay awake
get sunlight
sleep at normal bedtime
you will eliminate most of the jet lag for the entire Asia portion of the trip.
_______________________________________________________________________________________________
Below is a simple sleep timeline for your first and most important flight:
Turkish Airlines TK16 / TK716
Buenos Aires → Istanbul → Delhi
Depart 21 Mar 23:55 | Arrive 23 Mar 05:51This plan shifts your body toward India time while you travel.
_________________________________________________________________✈️ Flight Sleep Timeline
0–3 HOURS AFTER TAKEOFF
(00:00–03:00 flight time)
Stay awake.
Do this:
Eat the meal service
Drink water
Watch a movie or read
Why: Your body still thinks it’s evening in Buenos Aires.
3–9 HOURS INTO FLIGHT
Main sleep window
Try to sleep 5–6 hours.
Tools that help:
Eye mask
Earplugs or noise-canceling headphones
Neck pillow
Blanket
This aligns your sleep roughly with nighttime approaching in India.
9–12 HOURS INTO FLIGHT
Wake up.
Do this:
Walk around the cabin
Drink water
Light snack
Avoid alcohol
This helps your body think morning is starting.
_________________________________________________________________🛬 Istanbul Layover Strategy
During your stop in Istanbul:
Best actions:
Walk the terminal
Eat a light meal
Get bright light exposure
Stretch
Allowed nap:
20 minutes max if extremely tired.Long naps will delay your adjustment to India time.
_________________________________________________________________✈️ Second Flight (Istanbul > Delhi)
Stay mostly awake.
If needed:
Take one short nap (60–90 minutes max) early in the flight.
But be awake for the last 2–3 hours before landing.
_________________________________________________________________🌅 Arrival Morning in Delhi
You land 05:51 in Delhi.
This moment determines how quickly you adapt.
Do this:
Eat breakfast
Go outside within 1–2 hours
Walk around
Stay lightly active
Avoid:
Long naps
If absolutely necessary:
20–30 minute nap before 14:00 only.
_________________________________________________________________🌙 First Night in Delhi
Target bedtime:
21:30–22:30
Use:
Dark room
Cool temperature
Optional:
Low-dose melatonin (0.5–1 mg)
_________________________________________________________________⏱ Expected Adjustment
If you follow this plan:
Day 1: tired but functional
Day 2: mostly adjusted
Day 3: fully normal
Visas and Travel Documents
Japan requires a Disembarkation and Customs Declaration Card. You can get it here.
India requires an e-Visa which is available here. It is best to get the e-Tourist Visa since we will be flying from/to India.
Bhutan requires all visitors to pay a $100 per day fee when visiting the country. This can be paid to your tour operator. There is also a visa fee of $40. You can apply for it here.
Emergency Numbers
| Country | Police | Ambulance | Fire | Tourist Help |
|---|---|---|---|---|
| Japan | 110 | 119 | 119 | Japan Visitor Hotline: 050-3816-2787 |
| India | 100 | 102 | 101 | Tourist Helpline: 1363 |
| Bhutan | 113 | 112 | 110 | Tourism Council: +975 2 323251 |
| Sri Lanka | 119 | 110 | 111 | Tourist Police: 1912 |