What is ZULU Time? (Private Pilot Ground Lesson 23)

Zulu time explained! What is Coordinated Universal Time (UTC)? This is also known as Zulu time. Zulu time gives us a way to fly across different time zones without getting confused on what time it is. When we use UTC time, it also helps ATC and other agencies know which time we are talking about when we are flying across multiple time zones. I also show how to calculate Zulu time for the test! This is all information that you will need to know to become a pilot. This information will help you study for the Private Pilot written exam and the oral exam for your check ride. This training is intended to follow the aeronautical knowledge areas in Part 61.105 section b for single engine aircraft.
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[@johnopalko5223]

"Zulu" is not just military slang. The world is divided into 25 time zones, each one (except for two I'll mention later) nominally 15 degrees of longitude wide. There are 12 time zones in the Eastern hemisphere and 12 in the Western. The Eastern time zones are given the designators of "A" through "M" (there is no "J") and the Western time zones are given the designators "N" through "Y". The time zone that straddles the prime meridian, from 7.5 degrees west longitude to 7.5 degrees east longitude, is given the designation "Z". That is your Zulu time zone. Remember those two weird ones? Time zones Mike, in the Eastern hemisphere, and Yankee, in the Western hemisphere, are each only 7.5 degrees wide and they are located on either side of the International Date Line. Time zones Mike and Yankee have the same clock time (12 hours off of UTC) but different calendar dates. There is a painfully long explanation of UTC, time zones, and how to do calculations involving time, in the rather large tome, _American Practical Navigator,_ more informally known as _Bowditch._ There is a nice table giving the time zones of virtually every location around the world in _The Nautical Almanac,_ which is published jointly every year by the United States Naval Observatory and Her Majesty's Stationery Office.

[@FreePilotTraining]

Thank you! You are correct. These classifications are not really used anymore, so I didn’t really want to spend a bunch of time explaining all that because I didn’t think it was that important to flight training, and as pointed out by a student, there used to be a “J” time and that was the designator for “local” time. Thanks for the comment!

[@johnopalko5223]

@@FreePilotTraining I know nobody really needs to know this but I thought it was interesting background information. Pardon me for waxing professorial. I tend to do that. I really appreciate the effort you put into producing these videos. Keep up the good work.

[@FreePilotTraining]

@@johnopalko5223 no problem! I also find it very interesting! Love hearing all that extra stuff

[@roarkm.o.banjonjeffries3713]

Navigation is incredible I mean. I get it I just don't have the math yet. It's right there though damn it. It's like a 10,000 piece puzzle. That is completely blanked out light. Without any sort of definition of left right back forth up down x y z. Then there's a and b to be considered damn it this is the hardest thing I've ever done in my life. But I'm going to win.thats thee BOTTOM damn line

[@longshot8000]

YOU should be commended & receive a trophy! I know people who’ve been in law enforcement for YEARS, but don’t know “0000 hours” is an actual time! They only write “2359” or “0001” hours. It’s obvious to me they’re skipping 1 minute EVERY TIME! THANK YOU! Also, thank you for explaining ZULU time so clearly!

[@FreePilotTraining]

Lol thank you! It’s always driven me nuts too!

[@life-onmars8223]

It is from the French Coordonnées du temps universel and when translated into correct English: Universal Time coordinates

[@FreePilotTraining]

Thank you! I had no idea. You learn something new every day

[@nobodyofnaught2]

It was nothing to do with "correct" english, it was a compremise to use an acronym that didn't make sense in either language so there was no suggestion of preferencial treatment.

[@agontop1]

@@nobodyofnaught2that is exactly correct. it was a compromise btwn the brits and the french as the arrangement of the words makes no sense in either language

[@MrAdamNTProtester]

Slowly all these symbols, acronyms & phrases on maps & spoken by ATC are starting to make sense >>> I appreciate your excellent video series- you are saving a lot of us a ton of cash & keeping the skies safe!

[@FreePilotTraining]

Awesome! I appreciate the kind words

[@freepilot7732]

3:41 the way I remember is spring forward so we're 1 hour closer to ZULU. I love in the west coast so, standard time is 8 so we spring forward so I subtract 1 hour. Conversely, we fall back sick we go farther from YT so I add more time, (1hr) =8.

[@jimmyvillagran93]

Your videos are so incredibly helpful! Thank you

[@FreePilotTraining]

You’re welcome! Thanks for watching

[@roarkm.o.banjonjeffries3713]

Thank you for the lesson I get it halfway through. Thank you

[@FreePilotTraining]

No problem!

[@roarkm.o.banjonjeffries3713]

@@FreePilotTraining REMINDS ME OF SLIM PICKENS IN DOCTOR STRANGE LOVE. LOL

[@roarkm.o.banjonjeffries3713]

@@FreePilotTraining I appreciate no problem!. However sir. I do believe that that is incorrect nomenclature for a wider view. And what I mean by that. Is before I land this. I'm going to measure twice and cut once because you can't add any more on to something if you cut it short and to anything if you cut it short. I know you understand this nomenclature into anybody with slight sensibility nomenclature might mean numbers. But it's in the way we speak as far as I know the words and numbers included. Exclusion will be the result exclusion will be the result. Excelsior is the answer! Blue apples everywhere. Get some. They're delicious.

[@Amos-fn7ie]

Sir, the conversion for daylight time is also given in the conversion chart, so I think Ono more extra effort is needed

[@tac-cobserver3788]

Awesome. Thanks for sharing 🤙 Well, stay healthy for all of us and Safety First! ✌😉 See Ya

[@FreePilotTraining]

Thanks! Will do! Thanks for watching!

[@RealSheepShoop]

Hey great video! Just want to know if I should use daylight savings or not when it comes to converting? Also is there a way for me to always know what amount of time I should add depending on my time zone; because it changes from year to year. Edit: never mind I rewatched the video and caught it!

[@GH-oi2jf]

The abbreviation is French, which puts the adjective at the end. It’s like “SI” for the International System of units.

[@FreePilotTraining]

Ah. That makes sense. Thank you

[@rustyclam238]

Ha ha, I used to know these things! And so much more.

[@FreePilotTraining]

Lol, they do leave our brains too easily

[@euriditia]

So, I understand how the calculation works like you explained. But I was looking for an answer to a different question regarding UTC. Which you may have answered but I overlooked it because understanding it is a bit confusing for a beginner. To be fair, I am not a pilot nor am I interested in becoming one, but to anyone who can answer my question it is much appreciated. My question is, what does the UTC+8 mean? Add 8 hours? Or is it something that I missed. This is a genuine question, I've been having a hard time understanding it. Thank you!

[@FreePilotTraining]

No problem UTC +8 means you need to add 8 hours to get the current local time. Hope this helps you

[@euriditia]

@FreePilotTraining Oh my god thank you! It was driving me nuts. Anytime I tried to look it up I'd just get the calculation process lol! Anyways, loved your video keep it up! 💖💖

[@FreePilotTraining]

@@euriditia No problem!

[@spencersmith7533]

This just affirms to me how we need to do away with daylight saving time. Lol

[@FreePilotTraining]

Well, I’d personally like to go to ONLY Daylight Savings time

[@Brojo98]

08:58:15Z . what this time will be in IST ?

[@FreePilotTraining]

15:38:15. Thanks google 😏

[@matthewallen2934]

That’s hilarious. He made fun of us for driving on the left side of the road but he didn’t even pronounce Greenwich properly 😂

[@FreePilotTraining]

😂 nobody’s perfect. We’ll teach you how to properly pronounce that city in your country 😆

[@matthewallen2934]

Lol jokes aside, I really appreciate your videos and watch them all the time for study. Thank you so much for the great education 😊

[@roarkm.o.banjonjeffries3713]

Universal time coordination. So that was easy and then again I mentioned GMT earlier and want to comment to Greenwich mean Time. That would be the 24-hour clock by the way. Doesn't anybody pay attention what a bunch of crap. Am Pm auntie meridian post meridian anybody?

[@richardmauch1042]

Wait what!

[@Techridr]

Great info but there is no such thing as Daylight Savings time. It's Daylight Saving Time". Just remember, "Savings", with an S at the end, is what you have in the bank. I think since you teach, this is important to know. Thanks for the valuable videos!

[@FreePilotTraining]

Lol thanks I appreciate that. I make mistakes all the time

[@Techridr]

@@FreePilotTraining Don’t feel bad. Apparently the majority of people add that S at the end so it is what we all hear all the time. Once in a while I will see it on the news that way too. Thanks again for your brilliant videos

[@bobmann1226]

Come back when you know ZULU time lol

[@TheRealArrendondo]

Why call it Zulu time tho and not something European

[@FreePilotTraining]

Lol. They want pilots to sound as cool as possible I guess. Lol

[@criscusack]

Gren-itch, not green-which

[@FreePilotTraining]

Lol, I actually didn’t know that before someone else pointed that out

[@scotmaciver]

Pronouncing Greenwhich incorrectly. It sounds like Grenitch... Not ..GreenWitch...

[@FreePilotTraining]

Lol, thanks. I’ve had a few people correct me now. Hooked on Phonics failed me

[@scotmaciver]

@@FreePilotTraining lol and i'm nobody that should be correcting anyone whatsoever...

[@FreePilotTraining]

@@scotmaciver I wish someone would’ve corrected me before I made the video 😂

[@brodeepack6360]

Nobody cares

[@scotmaciver]

@@brodeepack6360 ur mom does

[@TopChoiceSupply]

I’m pretty sure your pop quiz on this video is calculated incorrectly. The answer is 1100 hours. I’m brand new at this but one video PPL Lesson 40 has one calculation +5 to in essence subtract. this video adds with +4. We crashed….

[@FreePilotTraining]

We want Zulu time not local. I think that’s where the confusion came from

[@TopChoiceSupply]

@@FreePilotTraining Duh okay. I got switched around like you said. Thanks for responding. I’ve been going through your videos and very impressed.

[@FreePilotTraining]

@@TopChoiceSupply thank you so much! That means a lot

[@Growmechanic]

They were French not British!

[@FreePilotTraining]

Lol of course

[@jameshilt6826]

Very confusing methodology

[@FreePilotTraining]

Lol. Yes it is. Maybe someday we’ll go full daylight savings time and make it easier

[@x6ftundx]

welcome to the military.... zulu is used into the military

[@baller4life24689]

"Greenwich" is not pronounced "Greenwich"

[@FreePilotTraining]

Sorry about that. “Hooked on Phonics” has failed me again...😏

[@flaxvert]

@@FreePilotTraining haha How do you think we feel having to live in the UK? Its pronounced Gren itch.. Of course it would be lol Named by that same person that thought of the UTC name!

[@FreePilotTraining]

@@flaxvert lol, sorry about that! I guess I didn’t go to the greatest school because I wasn’t taught the correct pronunciation! 😂

[@flaxvert]

@@FreePilotTraining hahaha