AEST to Cologne Time Converter
CET is 10 hours behind AEDT. 9:00 AM AEDT = 11:00 PM CET (previous day).
CET is 10 hours behind AEDT at the moment. To convert AEST to Cologne Time, subtract 10 hours from the AEST time: 9:00 AM AEDT = 11:00 PM CET (previous day).
AEST (Australian Eastern Time) is used in New South Wales, Victoria, Tasmania, ACT; Queensland (Brisbane) all year. Cologne Time (Cologne time) is used in Cologne, Germany.
Queensland stays on AEST all year. AEST (Australian Eastern Standard Time) is not in force right now: New South Wales is currently on AEDT. This page uses whichever name applies on the date you pick, so the numbers below say AEDT.
AEST to Cologne Time time conversion table
AEST to Cologne Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| AEST | Cologne Time | Day |
|---|---|---|
| 12:00 AM AEDT | 2:00 PM CET | previous day |
| 1:00 AM AEDT | 3:00 PM CET | previous day |
| 2:00 AM AEDT | 4:00 PM CET | previous day |
| 3:00 AM AEDT | 5:00 PM CET | previous day |
| 4:00 AM AEDT | 6:00 PM CET | previous day |
| 5:00 AM AEDT | 7:00 PM CET | previous day |
| 6:00 AM AEDT | 8:00 PM CET | previous day |
| 7:00 AM AEDT | 9:00 PM CET | previous day |
| 8:00 AM AEDT | 10:00 PM CET | previous day |
| 9:00 AM AEDT | 11:00 PM CET | previous day |
| 10:00 AM AEDT | 12:00 AM CET | night |
| 11:00 AM AEDT | 1:00 AM CET | night |
| 12:00 PM AEDT | 2:00 AM CET | night |
| 1:00 PM AEDT | 3:00 AM CET | night |
| 2:00 PM AEDT | 4:00 AM CET | night |
| 3:00 PM AEDT | 5:00 AM CET | night |
| 4:00 PM AEDT | 6:00 AM CET | — |
| 5:00 PM AEDT | 7:00 AM CET | — |
| 6:00 PM AEDT | 8:00 AM CET | — |
| 7:00 PM AEDT | 9:00 AM CET | — |
| 8:00 PM AEDT | 10:00 AM CET | — |
| 9:00 PM AEDT | 11:00 AM CET | — |
| 10:00 PM AEDT | 12:00 PM CET | — |
| 11:00 PM AEDT | 1:00 PM CET | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert AEST to Cologne Time
Subtract 10 hours from the AEST time to get Cologne Time.
Example: 9:00 AM AEDT = 11:00 PM CET (previous day).
Across midnight: 1:00 AM AEDT = 3:00 PM CET (previous day). The date changes, so always check the day as well as the hour.
Time difference between AEST and Cologne Time
The time difference between AEST and Cologne Time is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 28 Mar 2026: Cologne Time is 10 hours behind of AEST.
- 29 Mar 2026 – 4 Apr 2026: Cologne Time is 9 hours behind of AEST.
- 5 Apr 2026 – 3 Oct 2026: Cologne Time is 8 hours behind of AEST.
- 4 Oct 2026 – 24 Oct 2026: Cologne Time is 9 hours behind of AEST.
- 25 Oct 2026 – 31 Dec 2026: Cologne Time is 10 hours behind of AEST.
AEST and Cologne Time during daylight saving time
- AEST next changes on 4 Apr 2027: clocks go back one hour at 02:59 local time, from AEDT (UTC+11) to AEST (UTC+10).
- Cologne Time next changes on 28 Mar 2027: clocks go forward one hour at 01:59 local time, from CET (UTC+1) to CEST (UTC+2).
Best time for a meeting between AEST and Cologne Time
AEST and Cologne Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM AEDT, which is 9:00 PM CET.
AEST to Cologne Time FAQ
What is the time difference between AEST and Cologne Time?
Right now CET is 10 hours behind AEDT. The gap changes 5 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM AEST in Cologne Time?
9:00 AM AEDT is 11:00 PM CET (previous day).
What is 12 PM (noon) AEST in Cologne Time?
12:00 PM AEDT is 2:00 AM CET.
Is Cologne Time ahead of or behind AEST?
CET is 10 hours behind AEDT, so it is earlier in Cologne Time than in AEST.
Does AEST change for daylight saving time?
Yes. AEST next changes on 4 Apr 2027, when clocks go back one hour from AEDT to AEST.
Does Cologne Time change for daylight saving time?
Yes. Cologne Time next changes on 28 Mar 2027, when clocks go forward one hour from CET to CEST.
What is the best time for a meeting between AEST and Cologne Time?
AEST and Cologne Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM AEDT, which is 9:00 PM CET.
Related conversions
Convert Cologne Time to AEST
Convert AEST to other time zones
Convert other time zones to Cologne Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.