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Holidays optimizer
New version 2026
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Define a period
AI Assistant
Assistant: Hello! I handle your requests in natural language, such as:

“Analyze the period from November 1, 2025, to April 25, 2028.”
or
“Add 100 business days to February 25, 2026.”
or
“Next Thursday at 2:12 PM + 124 working hours”
or
“I won't be working first week of next may (going to Greece)”
Assistant: I understand all languages.
Send
Make
every
day
count
..in Luxembourg
| Calendrier civil usuel

Working days

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Employee  ▼
Canada
Brasil
India
China
Israel
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Japan
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Chile
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New Zealand
Monaco
Greece
Working days world map
USA
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Poland
Österreich
Schweiz
Italia
Netherlands
Belgique
United Kingdom & Ireland
Russia
Ukraine
Sweden
Denmark
Norway
Finland
Turkey
España
Portugal
...
xxxx
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working days:
weekend days:
custom dates:
public holidays:
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Daily Coffee
Hello
Sunday, 5 April, 2026
12:49 am (Europe/Luxembourg)
Weather (Paris)
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Tomorrow☁️ 7° → 15°
In 2 days☀️ 9° → 21°
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 The difficult thing is not to climb, but, while climbing, to remain yourself.

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