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Tonj, South Sudan

Tonj uses Central Africa Time, two hours ahead of UTC. It follows South Sudan’s permanent national offset and does not observe daylight-saving clock changes.

Tonj, South Sudan

Friday, 4 September 2026

UTC+2 · Africa/Juba

Time and sun data for Tonj — the largest city of Tonj

The sun in Tonj

Sunrise 05:59 Solar noon 12:06 Sunset 18:13 Daylight 12 h 14 min Night 11 h 46 min Civil twilight 05:38 – 18:34

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Current time in Tonj, South Sudan

The clock displayed here applies to Tonj town and the surrounding area historically identified as Tonj State. Tonj was the capital of that former state, making it the most appropriate settlement for a general regional time reading.

All nearby administrative areas remain synchronized with the rest of South Sudan. A traveller coming from Kuajok, Wau, Rumbek, or Juba keeps the same watch setting. Differences in journey duration do not imply differences in official time. In Tonj, “I lost an hour on the road” describes the road, not an ambitious new time zone.

Settlements and administrative context

The former Tonj State brought together the areas known as Tonj North, Tonj East, and Tonj South. Contemporary maps may instead show them within Warrap State. The change in administrative description is important for locating records, but irrelevant to the UTC offset.

Tonj town is the principal regional reference. Kuajok is the capital reference for present-day Warrap State. Wau is a useful larger centre to the west. Rumbek provides another regional comparison to the south.

These are reference settlements, not a population ranking. Where consistent city counts are unavailable, declaring a precise order would be unreliable. For clocks, their key shared characteristic is CAT; for sunrise, their separate coordinates matter.

How to use Tonj sunrise times

A sunrise value attached to Tonj normally represents the town’s coordinates. It offers a sensible estimate nearby but cannot be exact for every settlement across Tonj North, East, and South. Longitude, latitude, date, and the local horizon all influence the observation.

Check whether the page is showing today or another selected day. If the viewer is abroad near midnight, the local date in Tonj may already differ. Sunrise must always be matched with Tonj’s calendar date rather than assumed from the viewer’s date.

Select Tonj as the place. Confirm the displayed date in local time. Read dawn and sunset using the CAT clock. Switch to a nearer locality for travel outside town. Calculated sunrise describes the Sun’s geometric appearance at the horizon under standard assumptions. Hills, trees, buildings, and weather can affect visible light. Use local observations when an activity depends on actual visibility rather than a calendar event.

Questions and answers

What is Tonj’s time-zone abbreviation?
It is CAT, short for Central Africa Time.
How far ahead of UTC is Tonj?
Tonj is two hours ahead of UTC.
Does the former state boundary affect sunrise?
No. Sunrise follows coordinates and date, while the boundary is administrative.
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