AEST to Bonn 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 Bonn 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. Bonn Time (Bonn time) is used in Bonn, 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 Bonn Time time conversion table
AEST to Bonn Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| AEST | Bonn 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 Bonn Time
Subtract 10 hours from the AEST time to get Bonn 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 Bonn Time
The time difference between AEST and Bonn 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: Bonn Time is 10 hours behind of AEST.
- 29 Mar 2026 – 4 Apr 2026: Bonn Time is 9 hours behind of AEST.
- 5 Apr 2026 – 3 Oct 2026: Bonn Time is 8 hours behind of AEST.
- 4 Oct 2026 – 24 Oct 2026: Bonn Time is 9 hours behind of AEST.
- 25 Oct 2026 – 31 Dec 2026: Bonn Time is 10 hours behind of AEST.
AEST and Bonn 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).
- Bonn 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 Bonn Time
AEST and Bonn 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 Bonn Time FAQ
What is the time difference between AEST and Bonn 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 Bonn Time?
9:00 AM AEDT is 11:00 PM CET (previous day).
What is 12 PM (noon) AEST in Bonn Time?
12:00 PM AEDT is 2:00 AM CET.
Is Bonn Time ahead of or behind AEST?
CET is 10 hours behind AEDT, so it is earlier in Bonn 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 Bonn Time change for daylight saving time?
Yes. Bonn 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 Bonn Time?
AEST and Bonn 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 Bonn Time to AEST
Convert AEST to other time zones
Convert other time zones to Bonn Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.