Schedule down time for Google Adsense -> April 18, 2009 @ PDT 10 AM to PDT 2 PM
Google engineers would be working on adsense program for a schedule maintanance for which Google Adsense service would stay off line from user access on 18th April 2009, from GMT 05:00 PM to GMT 09:00 PM..
The site would become inaccessible from following time in different regions.
USA PDT – 10 AM
London – 6pm Saturday
Bucharest – 8pm Saturday
Kolkata – 10:30pm Saturday
Bandung – 12am Sunday
Sydney – 3am Sunday
Read details here -> Google Adsense Blog