{"id":"vidhyamitra:city-day:rishikesh:2021-09-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2021-09-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2021-09-23","date_display":"September 23, 2021 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":2021,"month":9,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459480.770833,"kali_year":5123,"ahargana":1871015.2708,"sun":{"sidereal_longitude":155.297,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":1.5328,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":206.2358,"elapsed_within_tithi_degrees":2.2358},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":1.5328,"elapsed_within_degrees":1.5328},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.8298},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2021,"month":9,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459480.770833,"ahargana":1871015.2708,"kali_year":5123,"ayanamsa_lahiri":24.1565,"grahas":{"sun":{"sidereal_longitude":156.08990599999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":359.855106,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":-3.0716},"mars":{"sidereal_longitude":160.71710600000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":180.33990599999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":299.181206,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":199.497206,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":283.02370599999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":44.607,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":224.607,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"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":2021,"month":9,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459480.770833,"kali_year":5123,"ahargana":1871015.2708,"sun":{"sidereal_longitude":155.297,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":1.5328,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":206.2358,"elapsed_within_tithi_degrees":2.2358},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":1.5328,"elapsed_within_degrees":1.5328},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.8298},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.072,"elongation":153.764},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.072,"opposition_distance":26.236}},"eclipse_window_40days":[]},"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":"06:05","sunsetLocal":"18:12","solarNoonLocal":"12:08","dayLengthHours":12.120791225672122,"dayLengthDisplay":"12 Hours 07 Mins 15 Secs","nightLengthDisplay":"11 Hours 52 Mins 45 Secs","moonriseLocal":"19:19","moonsetLocal":"08:08","rahuKala":{"name":"Rāhu Kāla","start":"13:39","end":"15:10","startHours":13.656658336546261,"endHours":15.171757239755276,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:05","end":"07:36","startHours":6.081163820501186,"endHours":7.596262723710201,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:07","end":"10:38","startHours":9.111361626919216,"endHours":10.62646053012823,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:19","startHours":8.909348439824681,"endHours":9.313374814013752,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:35","end":"06:55","startHours":6.586196788237524,"endHours":6.909417887588781,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:33","startHours":11.737533059148175,"endHours":12.545585807526317,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:28","end":"05:16","startHours":4.465058323744904,"endHours":5.2731110721230445,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:05","startHours":5.071097885028509,"endHours":6.081163820501186,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:58","startHours":14.161691304282602,"endHours":14.969744052660744,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:00","end":"18:24","startHours":18.001955046173308,"endHours":18.401955046173306,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:12","end":"18:42","startHours":18.201955046173307,"endHours":18.706988013909644,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:57","end":"19:42","startHours":17.951955046173307,"endHours":19.701955046173307,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:33","startHours":23.737533059148177,"endHours":24.545585807526315,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:05","end":"07:36","startHours":6.081163820501186,"endHours":7.596262723710201,"quality":"auspicious"},{"name":"Roga","start":"07:36","end":"09:07","startHours":7.596262723710201,"endHours":9.111361626919216,"quality":"inauspicious"},{"name":"Udveg","start":"09:07","end":"10:38","startHours":9.111361626919216,"endHours":10.62646053012823,"quality":"inauspicious"},{"name":"Chala","start":"10:38","end":"12:08","startHours":10.62646053012823,"endHours":12.141559433337246,"quality":"neutral"},{"name":"Labha","start":"12:08","end":"13:39","startHours":12.141559433337246,"endHours":13.656658336546261,"quality":"auspicious"},{"name":"Amṛta","start":"13:39","end":"15:10","startHours":13.656658336546261,"endHours":15.171757239755276,"quality":"auspicious"},{"name":"Kāla","start":"15:10","end":"16:41","startHours":15.171757239755276,"endHours":16.68685614296429,"quality":"inauspicious"},{"name":"Śubha","start":"16:41","end":"18:12","startHours":16.68685614296429,"endHours":18.201955046173307,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:12","end":"19:41","startHours":18.201955046173307,"endHours":19.68685614296429,"quality":"auspicious"},{"name":"Kāla","start":"19:41","end":"21:10","startHours":19.68685614296429,"endHours":21.171757239755276,"quality":"inauspicious"},{"name":"Śubha","start":"21:10","end":"22:39","startHours":21.171757239755276,"endHours":22.65665833654626,"quality":"auspicious"},{"name":"Roga","start":"22:39","end":"00:08","startHours":22.65665833654626,"endHours":24.141559433337246,"quality":"inauspicious"},{"name":"Udveg","start":"00:08","end":"01:38","startHours":24.141559433337246,"endHours":25.62646053012823,"quality":"inauspicious"},{"name":"Chala","start":"01:38","end":"03:07","startHours":25.62646053012823,"endHours":27.111361626919216,"quality":"neutral"},{"name":"Labha","start":"03:07","end":"04:36","startHours":27.111361626919216,"endHours":28.5962627237102,"quality":"auspicious"},{"name":"Amṛta","start":"04:36","end":"06:05","startHours":28.5962627237102,"endHours":30.081163820501185,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:05","end":"07:05","startHours":6.081163820501186,"endHours":7.081163820501186,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:05","end":"08:05","startHours":7.081163820501186,"endHours":8.081163820501185,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:05","end":"09:05","startHours":8.081163820501185,"endHours":9.081163820501185,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:05","end":"10:05","startHours":9.081163820501185,"endHours":10.081163820501185,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:05","end":"11:05","startHours":10.081163820501185,"endHours":11.081163820501185,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:05","end":"12:05","startHours":11.081163820501185,"endHours":12.081163820501185,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:05","end":"13:05","startHours":12.081163820501185,"endHours":13.081163820501185,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:05","end":"14:05","startHours":13.081163820501185,"endHours":14.081163820501185,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:05","end":"15:05","startHours":14.081163820501185,"endHours":15.081163820501185,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:05","end":"16:05","startHours":15.081163820501185,"endHours":16.081163820501185,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:05","end":"17:05","startHours":16.081163820501185,"endHours":17.081163820501185,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:05","end":"18:05","startHours":17.081163820501185,"endHours":18.081163820501185,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:05","end":"19:05","startHours":18.081163820501185,"endHours":19.081163820501185,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:05","end":"20:05","startHours":19.081163820501185,"endHours":20.081163820501185,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:05","end":"21:05","startHours":20.081163820501185,"endHours":21.081163820501185,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:05","end":"22:05","startHours":21.081163820501185,"endHours":22.081163820501185,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:05","end":"23:05","startHours":22.081163820501185,"endHours":23.081163820501185,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:05","end":"00:05","startHours":23.081163820501185,"endHours":24.081163820501185,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:05","end":"01:05","startHours":24.081163820501185,"endHours":25.081163820501185,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:05","end":"02:05","startHours":25.081163820501185,"endHours":26.081163820501185,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:05","end":"03:05","startHours":26.081163820501185,"endHours":27.081163820501185,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:05","end":"04:05","startHours":27.081163820501185,"endHours":28.081163820501185,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:05","end":"05:05","startHours":28.081163820501185,"endHours":29.081163820501185,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:05","end":"06:05","startHours":29.081163820501185,"endHours":30.081163820501185,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-0.09800341051700356,"eotMinutes":8.436033999765183,"ayanamsa":24.1565}},"calendars":{"vikram_samvat":2078,"vikram_samvatsara":"Ānanda","saka_samvat":1943,"saka_samvatsara":"Plava","bengali_samvat":1428,"malayalam_era":1197,"nanakshahi_year":552,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Tṛtīyā · Vikram 2078 Ānanda · Śaka 1943 Plava"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 23, 2021 CE · Ṛṣikeśa · Vidhyamitra","description":"September 23, 2021 CE for Ṛṣikeśa: Kṛṣṇa Tṛtīyā, sūryodaya 06:05, sūryāsta 18:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2021-09-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2021-09-23","sa":"https://sa.vidhyamitra.com/city/rishikesh/2021-09-23","hi":"https://hi.vidhyamitra.com/city/rishikesh/2021-09-23","x-default":"https://vidhyamitra.com/city/rishikesh/2021-09-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T07:11:21.149Z","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":"2026-05-15T07:11:21.149Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T07:11:21.149Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}