{"id":"vidhyamitra:city-day:rishikesh:2026-09-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2026-09-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-09-16","date_display":"September 16, 2026 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2026,"month":9,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461299.770833,"kali_year":5128,"ahargana":1872834.2708,"sun":{"sidereal_longitude":148.1856,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":208.5202,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":60.3346,"elapsed_within_tithi_degrees":0.3346},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":208.5202,"elapsed_within_degrees":8.5202},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":356.7058},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2026,"month":9,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461299.770833,"ahargana":1872834.2708,"kali_year":5128,"ayanamsa_lahiri":24.2261,"grahas":{"sun":{"sidereal_longitude":148.97880600000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":207.816506,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":-4.4354},"mars":{"sidereal_longitude":88.19790599999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":164.10740599999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":112.33540599999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":188.91240600000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":348.524606,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":308.2276,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":128.2276,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2026,"month":9,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461299.770833,"kali_year":5128,"ahargana":1872834.2708,"sun":{"sidereal_longitude":148.1856,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":208.5202,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":60.3346,"elapsed_within_tithi_degrees":0.3346},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":208.5202,"elapsed_within_degrees":8.5202},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":356.7058},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.435,"elongation":60.335},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.435,"opposition_distance":119.665}},"eclipse_window_40days":[{"offset_days":-19,"type":"lunar","occurs":true,"moon_latitude":-0.114,"opposition_distance":2.035},{"offset_days":-5,"type":"solar","occurs":true,"moon_latitude":-1.193,"elongation":0.557}]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"06:01","sunsetLocal":"18:21","solarNoonLocal":"12:11","dayLengthHours":12.337128363756056,"dayLengthDisplay":"12 Hours 20 Mins 14 Secs","nightLengthDisplay":"11 Hours 39 Mins 46 Secs","moonriseLocal":"10:48","moonsetLocal":"21:25","rahuKala":{"name":"Rāhu Kāla","start":"12:11","end":"13:44","startHours":12.18435481615452,"endHours":13.726495861624029,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:33","end":"09:06","startHours":7.557931679746001,"endHours":9.100072725215508,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:39","end":"12:11","startHours":10.642213770685014,"endHours":12.18435481615452,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:18","startHours":8.894453919152907,"endHours":9.305691531278109,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:32","end":"06:52","startHours":6.529837649432996,"endHours":6.858827739133157,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:36","startHours":11.773117204029319,"endHours":12.595592428279723,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:22","end":"05:12","startHours":4.370840185775686,"endHours":5.19331541002609,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:59","end":"06:01","startHours":4.987696603963489,"endHours":6.0157906342764935,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:04","startHours":14.24054287678053,"endHours":15.063018101030934,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:09","end":"18:33","startHours":18.15291899803255,"endHours":18.55291899803255,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:21","end":"18:52","startHours":18.35291899803255,"endHours":18.866966013189053,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:06","end":"19:51","startHours":18.10291899803255,"endHours":19.85291899803255,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:36","startHours":23.77311720402932,"endHours":24.595592428279723,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:01","end":"07:33","startHours":6.0157906342764935,"endHours":7.557931679746001,"quality":"auspicious"},{"name":"Amṛta","start":"07:33","end":"09:06","startHours":7.557931679746001,"endHours":9.100072725215508,"quality":"auspicious"},{"name":"Kāla","start":"09:06","end":"10:39","startHours":9.100072725215508,"endHours":10.642213770685014,"quality":"inauspicious"},{"name":"Śubha","start":"10:39","end":"12:11","startHours":10.642213770685014,"endHours":12.18435481615452,"quality":"auspicious"},{"name":"Roga","start":"12:11","end":"13:44","startHours":12.18435481615452,"endHours":13.726495861624029,"quality":"inauspicious"},{"name":"Udveg","start":"13:44","end":"15:16","startHours":13.726495861624029,"endHours":15.268636907093535,"quality":"inauspicious"},{"name":"Chala","start":"15:16","end":"16:49","startHours":15.268636907093535,"endHours":16.810777952563043,"quality":"neutral"},{"name":"Labha","start":"16:49","end":"18:21","startHours":16.810777952563043,"endHours":18.35291899803255,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:21","end":"19:49","startHours":18.35291899803255,"endHours":19.810777952563043,"quality":"inauspicious"},{"name":"Chala","start":"19:49","end":"21:16","startHours":19.810777952563043,"endHours":21.268636907093537,"quality":"neutral"},{"name":"Labha","start":"21:16","end":"22:44","startHours":21.268636907093537,"endHours":22.72649586162403,"quality":"auspicious"},{"name":"Amṛta","start":"22:44","end":"00:11","startHours":22.72649586162403,"endHours":24.18435481615452,"quality":"auspicious"},{"name":"Kāla","start":"00:11","end":"01:39","startHours":24.18435481615452,"endHours":25.642213770685014,"quality":"inauspicious"},{"name":"Śubha","start":"01:39","end":"03:06","startHours":25.642213770685014,"endHours":27.100072725215508,"quality":"auspicious"},{"name":"Roga","start":"03:06","end":"04:33","startHours":27.100072725215508,"endHours":28.557931679745998,"quality":"inauspicious"},{"name":"Udveg","start":"04:33","end":"06:01","startHours":28.557931679745998,"endHours":30.01579063427649,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.0157906342764935,"endHours":7.0157906342764935,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.0157906342764935,"endHours":8.015790634276494,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.015790634276494,"endHours":9.015790634276494,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.015790634276494,"endHours":10.015790634276494,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.015790634276494,"endHours":11.015790634276494,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.015790634276494,"endHours":12.015790634276494,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.015790634276494,"endHours":13.015790634276494,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.015790634276494,"endHours":14.015790634276494,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.015790634276494,"endHours":15.015790634276494,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.015790634276494,"endHours":16.01579063427649,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.01579063427649,"endHours":17.01579063427649,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.01579063427649,"endHours":18.01579063427649,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.01579063427649,"endHours":19.01579063427649,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.01579063427649,"endHours":20.01579063427649,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.01579063427649,"endHours":21.01579063427649,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.01579063427649,"endHours":22.01579063427649,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.01579063427649,"endHours":23.01579063427649,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.01579063427649,"endHours":24.01579063427649,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.01579063427649,"endHours":25.01579063427649,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.01579063427649,"endHours":26.01579063427649,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.01579063427649,"endHours":27.01579063427649,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.01579063427649,"endHours":28.01579063427649,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.01579063427649,"endHours":29.01579063427649,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.01579063427649,"endHours":30.01579063427649,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":2.697294600164985,"eotMinutes":5.868311030728706,"ayanamsa":24.2261}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Ṣaṣṭhī · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[{"id":"subrahmanya-shashthi","name":"Subrahmaṇya Ṣaṣṭhī","name_sanskrit":"सुब्रह्मण्य षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya","significance":"Worship of Kārttikeya as Subrahmaṇya.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":4},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"rishikesh"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 16, 2026 CE · Ṛṣikeśa · Vidhyamitra","description":"September 16, 2026 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 06:01, sūryāsta 18:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2026-09-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2026-09-16","sa":"https://sa.vidhyamitra.com/city/rishikesh/2026-09-16","hi":"https://hi.vidhyamitra.com/city/rishikesh/2026-09-16","x-default":"https://vidhyamitra.com/city/rishikesh/2026-09-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T19:51:50.258Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-14T19:51:50.258Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T19:51:50.258Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}