Pemerintah Republik Indonesia melalui Kementerian Agama menetapkan bahwa 1 Ramadhan 1439 H jatuh pada Kamis (17/5), sama dengan Muhammadiyah dan NU. Berikut ini Jadwal Imsakiyah Ramadhan 1439 H untuk Kota Pekanbaru dan sekitarnya:
| Tanggal | Hari | Masehi | Imsak | Shubuh | Terbit | Dhuha | Zhuhr | Ashar | Maghrib | Isya |
|---|---|---|---|---|---|---|---|---|---|---|
| 01 | Kamis | 17 Mei 2018 | 04:36 | 04:46 | 06:03 | 06:30 | 12:14 | 15:36 | 18:17 | 19:29 |
| 02 | Jumat | 18 Mei 2018 | 04:36 | 04:46 | 06:03 | 06:31 | 12:14 | 15:36 | 18:17 | 19:29 |
| 03 | Sabtu | 19 Mei 2018 | 04:36 | 04:46 | 06:03 | 06:31 | 12:14 | 15:36 | 18:17 | 19:30 |
| 04 | Ahad | 20 Mei 2018 | 04:36 | 04:46 | 06:03 | 06:31 | 12:14 | 15:36 | 18:17 | 19:30 |
| 05 | Senin | 21 Mei 2018 | 04:36 | 04:46 | 06:03 | 06:31 | 12:14 | 15:36 | 18:17 | 19:30 |
| 06 | Selasa | 22 Mei 2018 | 04:36 | 04:46 | 06:03 | 06:31 | 12:14 | 15:37 | 18:17 | 19:30 |
| 07 | Rabu | 23 Mei 2018 | 04:36 | 04:46 | 06:03 | 06:31 | 12:14 | 15:37 | 18:17 | 19:30 |
| 08 | Kamis | 24 Mei 2018 | 04:36 | 04:46 | 06:04 | 06:31 | 12:15 | 15:37 | 18:17 | 19:30 |
| 09 | Jumat | 25 Mei 2018 | 04:36 | 04:46 | 06:04 | 06:31 | 12:15 | 15:37 | 18:18 | 19:31 |
| 10 | Sabtu | 26 Mei 2018 | 04:36 | 04:46 | 06:04 | 06:31 | 12:15 | 15:37 | 18:18 | 19:31 |
| 11 | Ahad | 27 Mei 2018 | 04:36 | 04:46 | 06:04 | 06:31 | 12:15 | 15:38 | 18:18 | 19:31 |
| 12 | Senin | 28 Mei 2018 | 04:36 | 04:46 | 06:04 | 06:31 | 12:15 | 15:38 | 18:18 | 19:31 |
| 13 | Selasa | 29 Mei 2018 | 04:36 | 04:46 | 06:04 | 06:32 | 12:15 | 15:38 | 18:18 | 19:32 |
| 14 | Rabu | 30 Mei 2018 | 04:36 | 04:46 | 06:04 | 06:32 | 12:15 | 15:38 | 18:18 | 19:32 |
| 15 | Kamis | 31 Mei 2018 | 04:36 | 04:46 | 06:04 | 06:32 | 12:15 | 15:38 | 18:18 | 19:32 |
| 16 | Jumat | 1 Juni 2018 | 04:36 | 04:46 | 06:04 | 06:32 | 12:15 | 15:39 | 18:19 | 19:32 |
| 17 | Sabtu | 2 Juni 2018 | 04:36 | 04:46 | 06:05 | 06:32 | 12:16 | 15:39 | 18:19 | 19:32 |
| 18 | Ahad | 3 Juni 2018 | 04:36 | 04:46 | 06:05 | 06:32 | 12:16 | 15:39 | 18:19 | 19:33 |
| 19 | Senin | 4 Juni 2018 | 04:36 | 04:46 | 06:05 | 06:33 | 12:16 | 15:39 | 18:19 | 19:33 |
| 20 | Selasa | 5 Juni 2018 | 04:36 | 04:46 | 06:05 | 06:33 | 12:16 | 15:40 | 18:19 | 19:33 |
| 21 | Rabu | 6 Juni 2018 | 04:36 | 04:46 | 06:05 | 06:33 | 12:16 | 15:40 | 18:19 | 19:33 |
| 22 | Kamis | 7 Juni 2018 | 04:37 | 04:47 | 06:05 | 06:33 | 12:16 | 15:40 | 18:20 | 19:34 |
| 23 | Jumat | 8 Juni 2018 | 04:37 | 04:47 | 06:06 | 06:33 | 12:17 | 15:40 | 18:20 | 19:34 |
| 24 | Sabtu | 9 Juni 2018 | 04:37 | 04:47 | 06:06 | 06:34 | 12:17 | 15:41 | 18:20 | 19:34 |
| 25 | Ahad | 10 Juni 2018 | 04:37 | 04:47 | 06:06 | 06:34 | 12:17 | 15:41 | 18:20 | 19:34 |
| 26 | Senin | 11 Juni 2018 | 04:37 | 04:47 | 06:06 | 06:34 | 12:17 | 15:41 | 18:20 | 19:35 |
| 27 | Selasa | 12 Juni 2018 | 04:37 | 04:47 | 06:06 | 06:34 | 12:17 | 15:41 | 18:21 | 19:35 |
| 28 | Rabu | 13 Juni 2018 | 04:37 | 04:47 | 06:07 | 06:34 | 12:18 | 15:41 | 18:21 | 19:35 |
| 29 | Kamis | 14 Juni 2018 | 04:38 | 04:48 | 06:07 | 06:35 | 12:18 | 15:42 | 18:21 | 19:35 |