Oak Forest, IL, USA to Ratnapura, Sri Lanka
Time Difference
CST (Central Standard Time) is 11 hours and 30 minutes behind
12:00 am00:00 in Oak Forest, IL, USA is 11:30 am11:30 in Ratnapura, Sri Lanka
Oak Forest to Ratnapura call time
Best time for a conference call or a meeting is between 7am-9am in Oak Forest which corresponds to 6:30pm-8:30pm in Ratnapura
12:00 am00:00 CST (Central Standard Time) (Oak Forest, IL, USA). Offset UTC -6:00 hours
11:30 am11:30 (Ratnapura, Sri Lanka). Offset UTC +5:30 hours
12:00 am00:00 Oak Forest, IL, USA / 11:30 am11:30 Ratnapura, Sri Lanka
| Oak Forest, IL, USA | Ratnapura, Sri Lanka |
|---|---|
| 12am (midnight) | 11:30 am |
| 1am | 12:30 pm |
| 2am | 1:30 pm |
| 3am | 2:30 pm |
| 4am | 3:30 pm |
| 5am | 4:30 pm |
| 6am | 5:30 pm |
| 7am | 6:30 pm |
| 8am | 7:30 pm |
| 9am | 8:30 pm |
| 10am | 9:30 pm |
| 11am | 10:30 pm |
| 12pm (noon) | 11:30 pm |
| 1pm | 12:30 am |
| 2pm | 1:30 am |
| 3pm | 2:30 am |
| 4pm | 3:30 am |
| 5pm | 4:30 am |
| 6pm | 5:30 am |
| 7pm | 6:30 am |
| 8pm | 7:30 am |
| 9pm | 8:30 am |
| 10pm | 9:30 am |
| 11pm | 10:30 am |
| 0:00 | 11:30 |
| 1:00 | 12:30 |
| 2:00 | 13:30 |
| 3:00 | 14:30 |
| 4:00 | 15:30 |
| 5:00 | 16:30 |
| 6:00 | 17:30 |
| 7:00 | 18:30 |
| 8:00 | 19:30 |
| 9:00 | 20:30 |
| 10:00 | 21:30 |
| 11:00 | 22:30 |
| 12:00 | 23:30 |
| 13:00 | 0:30 |
| 14:00 | 1:30 |
| 15:00 | 2:30 |
| 16:00 | 3:30 |
| 17:00 | 4:30 |
| 18:00 | 5:30 |
| 19:00 | 6:30 |
| 20:00 | 7:30 |
| 21:00 | 8:30 |
| 22:00 | 9:30 |
| 23:00 | 10:30 |
Oak Forest Information
Time Zone
Abbreviation / Name
CST - Central Standard Time
CDT - Central Daylight Time
CDT - Central Daylight Time
UTC / GMT Offset
-6:00 hours during Central Standard Time, currently in use.
-5:00 hours during Central Daylight Time.
-5:00 hours during Central Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Sunday, March 10, 2024 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 10, 2024, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Sunday, November 3, 2024 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 3, 2024, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.
Oak Forest Facts
Country
USA
State
Illinois
Alternative Names
Ouk Forist, awk fwrst, oka pharesta, Оук Форист, أوك فورست, اوک فاریسٹ، الینوائے, اوکفارست، ایلینوی, ओक फरेस्ट
Population
28,074
Currency
Dollar (USD)
Geographic Coordinates
41° 36' N Latitude / 87° 44' W Longitude
International Dialing Code
+1
Ratnapura Information
Time Zone
Abbreviation / Name
+0530 -
UTC / GMT Offset
+5:30 hours during , currently in use.
Ratnapura Facts
Country
Sri Lanka
Alternative Names
Ratnapur, Ratnapura, Ratnapury, irattinapuri, la te na pu lei, lateunapula, ratn pu ra, ratnabwra, ratnapura, rato~unapura, Ратнапура, Ратнапуры, راتنابورا, رتناپورہ, இரத்தினபுரி, രത്നപുര, රත්නපුර, รัตนปุระ, რატნაპურა, ラトゥナプラ, 拉特納普勒, 라트나푸라
Population
47,832
Currency
Rupee (LKR)
Geographic Coordinates
6° 41' N Latitude / 80° 24' E Longitude
International Dialing Code
+94