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| MONDAY - THURSDAY | | TIME | FREQUENCY | 6.00am - 7.00am
| 7 min | 7.00am - 8.50am
| 4 min | 8.50am - 1.00pm
| 6 min | 1.00pm - 2.00pm
| 5 min | 2.00pm - 5.00pm
| 6 min | 5.00pm - 7.00pm
| 4 min | 7.00pm - 10.00pm
| 6 min | 10.00pm - 12.00midnight
| 14 min | | FRIDAY | | TIME | FREQUENCY | 6.00am - 7.00am
| 7 min | 7.00am - 8.50am
| 4 min | 8.50am - 12.00noon
| 6 min | 12.00noon - 5.00pm
| 4 min | 5.00pm - 7.00pm
| 4 min | 7.00pm - 10.00pm
| 6 min | 10.00pm - 12.00midnight
| 6 min | | SATURDAY | | TIME | FREQUENCY | 6.00am - 10.00am
| 7 min | 10.00am - 12.00noon
| 5 min | 12.00noon - 7.30pm
| 4 min | 7.30pm - 10.00pm
| 6 min | 10.00pm - 12.00midnight
| 14 min | | SUNDAY | | TIME | FREQUENCY | 6.00am - 10.00am
| 11 min | 10.00am - 7.30pm
| 5 min | 7.30pm - 10.00pm
| 6 min | 10.00pm - 11.30am
| 14 min | Disclaimer: Train frequency may not account for temporary delays or detours caused by unexpected service disruptions or adjusted schedules for weekend bus detours. Check Service Status to see if any of these might affect your trip. | WEEKDAYS | FREQUENCY | | TIME | Ampang/Sri Petaling to Chan Sow Lin | Chan Sow Lin to Sentul Timur | 6.00am - 7.00am
| 9 min | 4 min | 7.00am - 9.00am
| 6 min | 3 min | 9.00am - 5.00pm
| 14 min | 7 min | 5.00pm - 7.00pm
| 6 min | 3 min | 7.00pm - 9.00pm
| 14 min | 7 min | 9.00pm - 12.00midnight
| 18 min | 9 min | | SATURDAYS | FREQUENCY | | TIME | Ampang/Sri Petaling to Chan Sow Lin | Chan Sow Lin to Sentul Timur | 6.00am - 10.00am
| 13 min | 7 min | 10.00am - 9.00pm
| 10 min | 5 min | 9.00pm - 12.00midnight
| 7 min | 9 min | SUNDAYS & PUBLIC HOLIDAYS | FREQUENCY | | TIME | Ampang/Sri Petaling to Chan Sow Lin | Chan Sow Lin to Sentul Timur | 6.00am - 9.00am
| 17 min | 9 min | 9.00am - 12.00midnight
| 23 min | 12 min | Disclaimer: Train frequency may not account for temporary delays or detours caused by unexpected service disruptions or adjusted schedules for weekend bus detours. Check Service Status to see if any of these might affect your trip.
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