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TimezonePair
Home·Istanbul·Istanbul × Hagåtña
Prime meridian·:: UTC·

Istanbul×Hagåtña

Turkey · TR
Istanbul
—:—
Europe/Istanbul·
No DST
Guam · GU
Hagåtña
—:—
Pacific/Guam·
No DST

Istanbul is 7 hours ahead of Hagåtña. Scrub a time, meet in the overlap, ship the invite — before the kettle boils.

◊ at a glance

Three numbers. The ones that decide the meeting.

01
Difference
7h ahead
Istanbul vs Hagåtña
02
Overlap
1h
Business hours 09:00 – 17:00
03
UTC offsets
GMT+3 / GMT+10
Istanbul · Guam
04
Flight
13h 31m
11,071 km · great-circle, non-stop cruise
◊ the overlap

When the world meets at work.

24-hour overlap
1h shared · 09:00 – 10:00 Istanbul
Istanbul
—:—
0
3
6
9
12
15
18
21
Hagåtña
—:—
9
12
15
18
21
0
3
6
Scrub a meeting time14:00 Istanbul
Same moment in Hagåtña21:00 Hagåtña
◊ hour by hour

Read the day in both zones.

Share this meeting
timezonepair.com/from/istanbul/to/hagåtña?t=14&a=A&d=2026-04-27&dur=60
14:00 Istanbul21:00 Hagåtña
Full 24-hour reference
IstanbulHagåtña
00:00
07:00
01:00
08:00
02:00
09:00Hagåtña only
03:00
10:00Hagåtña only
04:00
11:00Hagåtña only
05:00
12:00Hagåtña only
06:00
13:00Hagåtña only
07:00
14:00Hagåtña only
08:00
15:00Hagåtña only
09:00Both working
16:00
10:00Istanbul only
17:00
11:00Istanbul only
18:00
12:00Istanbul only
19:00
13:00Istanbul only
20:00
14:00Istanbul only
21:00
15:00Istanbul only
22:00
16:00Istanbul only
23:00
17:00
00:00
18:00
01:00
19:00
02:00
20:00
03:00
21:00
04:00
22:00
05:00
23:00
06:00
◊ common questions

Quick answers. Before you book the call.

What's the time difference between Istanbul and Hagåtña?

Istanbul is 7 hours ahead of Hagåtña. Istanbul runs on GMT+3 and Hagåtña on GMT+10. The gap can shift by an hour when either side enters or leaves daylight saving — the live clocks above always reflect the current offset.

When's the best time to schedule a meeting?

There are 1 hour where both cities are inside a 09:00–17:00 workday. Aim for the middle of that window so neither side is starting or closing out.

Does daylight saving time change the difference?

Yes, if either city observes DST. When one side shifts and the other doesn't, the gap changes by one hour. The DST badges under each clock show whether each zone is currently shifted and when the next transition lands.

How far is Istanbul from Hagåtña?

About 11,071 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 13h 31m, not counting airport time, winds, or routing around restricted airspace.

Can I send this meeting time as a calendar invite?

Yes. Pick a time on the slider above, open the meeting card, customize the title and duration, then download the .ics file. It imports cleanly into Google Calendar, Outlook, and Apple Calendar with the correct timezone attached.

◊ keep going

One pair down. 299 cities to go.

Every pair in 300 cities runs the same clocks, the same overlap, the same one-click invite. Pick another.

ISTANBUL · Europe/Istanbul
GMT+3 · 41.01°, 28.98°

HAGÅTÑA · Pacific/Guam
GMT+10 · 13.47°, 144.75°

1h shared · 7h ahead