Neptune in numbers
- Coordinates
- 42.6636, -96.1561
- Elevation
- 416 m above sea level
- Region
- Iowa
- Country
- United States, North America
- Capital
- Washington, D.C. — 1660 km away
- Same name
- 5 more places in the world share this name
What time is it in Neptune, Iowa, United States
This page shows local time in Neptune, Iowa, United States as of this moment, in the America/Chicago zone (−5).
Neptune, United States
Thursday, 29 October 2026
UTC−5 · America/Chicago
Local time in Neptune
UTC−5 · daylight saving time is active
Local time in Neptune, Iowa.
The sun today
Sunrise 7:56 AM Solar noon 1:09 PM Sunset 6:23 PM Daylight 10 h 27 min Night 13 h 33 min Civil twilight 7:27 AM – 6:52 PM
Weather in Neptune right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Neptune and its neighbours
Postal codes
- 07753
- 07754
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
Largest cities in Iowa
- Des Moines 214 133
- Cedar Rapids 130 405
- Davenport 102 582
- Sioux City 82 821
- Iowa City 74 220
- Waterloo 68 460
Other places named Neptune
- Neptune Saskatchewan, Canada
- Neptune Ohio, United States
- Neptune Tennessee, United States
- Neptune Wisconsin, United States
- Neptune West Virginia, United States
Same time zone — America/Chicago
- Chicago United States
- Houston United States
- San Antonio United States
- Dallas United States
- Fort Worth United States
- Austin United States
Nearby places
- Union Center — 8.6 km
- Plymouth (historical) — 8.8 km
- O'Leary — 9.3 km
- Plymouth County — 9.5 km
- Merrill — 9.8 km
- Wren — 10.8 km
Neptune: clock, sun and surroundings
The clock reading for Neptune covers nearby Union Center and Plymouth (historical) as well.
Neptune is covered by 2 postal codes.
Time in Neptune runs on America/Chicago, which is UTC−5. Does daylight saving time apply here? Yes.
Today, Neptune has first light at 7:56 AM and last light at 6:23 PM. Daylight lasts 10 h 27 min.
Questions and answers
- How is the time zone for Neptune identified?
- The time zone for Neptune is identified as America/Chicago, with an offset of −5.
- Does the clock in Neptune stay the same all year?
- Daylight saving time in Neptune: Yes.
- Tell me the sunset hour in Neptune.
- The sunset hour is 6:23 PM.