{"id":"vidhyamitra:city-day:rishikesh:1989-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1989-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1989-01-31","date_display":"January 31, 1989 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1989,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447557.770833,"kali_year":5090,"ahargana":1859092.2708,"sun":{"sidereal_longitude":287.4794,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":210.5247,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":283.0453,"elapsed_within_tithi_degrees":7.0453},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":210.5247,"elapsed_within_degrees":10.5247},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":138.0041},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1989,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447557.770833,"ahargana":1859092.2708,"kali_year":5090,"ayanamsa_lahiri":23.7005,"grahas":{"sun":{"sidereal_longitude":287.441652,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":208.06755199999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":-4.3292},"mars":{"sidereal_longitude":13.09505200000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":274.64885200000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":33.03535199999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":271.86885200000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":255.019452,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":316.3449,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":136.3449,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1989,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447557.770833,"kali_year":5090,"ahargana":1859092.2708,"sun":{"sidereal_longitude":287.4794,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":210.5247,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":283.0453,"elapsed_within_tithi_degrees":7.0453},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":210.5247,"elapsed_within_degrees":10.5247},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":138.0041},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.329,"elongation":76.955},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.329,"opposition_distance":103.045}},"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":"07:08","sunsetLocal":"17:53","solarNoonLocal":"12:30","dayLengthHours":10.739302413020376,"dayLengthDisplay":"10 Hours 44 Mins 21 Secs","nightLengthDisplay":"13 Hours 15 Mins 39 Secs","moonriseLocal":"01:54","moonsetLocal":"12:32","rahuKala":{"name":"Rāhu Kāla","start":"15:12","end":"16:32","startHours":15.192478745619129,"endHours":16.534891547246676,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:49","end":"11:10","startHours":9.82282753910894,"endHours":11.165240340736489,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:30","end":"13:51","startHours":12.507653142364035,"endHours":13.85006594399158,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:00","startHours":9.643839165558601,"endHours":10.00181591265928,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:35","end":"07:52","startHours":7.585472869729696,"endHours":7.871854267410239,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:52","startHours":12.149676395263356,"endHours":12.865629889464714,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:42","end":"06:25","startHours":5.70609494745113,"endHours":6.422048441652489,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:15","end":"07:08","startHours":6.243060068102149,"endHours":7.138001935853847,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:01","startHours":14.29753687786743,"endHours":15.013490372068787,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:41","end":"18:05","startHours":17.677304348874223,"endHours":18.07730434887422,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:53","end":"18:19","startHours":17.877304348874222,"endHours":18.32477528275007,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:38","end":"19:23","startHours":17.627304348874222,"endHours":19.377304348874222,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:52","startHours":24.149676395263356,"endHours":24.865629889464714,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:08","end":"08:29","startHours":7.138001935853847,"endHours":8.480414737481393,"quality":"inauspicious"},{"name":"Udveg","start":"08:29","end":"09:49","startHours":8.480414737481393,"endHours":9.82282753910894,"quality":"inauspicious"},{"name":"Chala","start":"09:49","end":"11:10","startHours":9.82282753910894,"endHours":11.165240340736489,"quality":"neutral"},{"name":"Labha","start":"11:10","end":"12:30","startHours":11.165240340736489,"endHours":12.507653142364035,"quality":"auspicious"},{"name":"Amṛta","start":"12:30","end":"13:51","startHours":12.507653142364035,"endHours":13.85006594399158,"quality":"auspicious"},{"name":"Kāla","start":"13:51","end":"15:12","startHours":13.85006594399158,"endHours":15.192478745619129,"quality":"inauspicious"},{"name":"Śubha","start":"15:12","end":"16:32","startHours":15.192478745619129,"endHours":16.534891547246676,"quality":"auspicious"},{"name":"Roga","start":"16:32","end":"17:53","startHours":16.534891547246676,"endHours":17.877304348874222,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:53","end":"19:32","startHours":17.877304348874222,"endHours":19.534891547246676,"quality":"inauspicious"},{"name":"Śubha","start":"19:32","end":"21:12","startHours":19.534891547246676,"endHours":21.192478745619127,"quality":"auspicious"},{"name":"Roga","start":"21:12","end":"22:51","startHours":21.192478745619127,"endHours":22.85006594399158,"quality":"inauspicious"},{"name":"Udveg","start":"22:51","end":"00:30","startHours":22.85006594399158,"endHours":24.507653142364035,"quality":"inauspicious"},{"name":"Chala","start":"00:30","end":"02:10","startHours":24.507653142364035,"endHours":26.16524034073649,"quality":"neutral"},{"name":"Labha","start":"02:10","end":"03:49","startHours":26.16524034073649,"endHours":27.822827539108943,"quality":"auspicious"},{"name":"Amṛta","start":"03:49","end":"05:29","startHours":27.822827539108943,"endHours":29.480414737481393,"quality":"auspicious"},{"name":"Kāla","start":"05:29","end":"07:08","startHours":29.480414737481393,"endHours":31.138001935853847,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:08","end":"08:08","startHours":7.138001935853847,"endHours":8.138001935853847,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:08","end":"09:08","startHours":8.138001935853847,"endHours":9.138001935853847,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:08","end":"10:08","startHours":9.138001935853847,"endHours":10.138001935853847,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:08","end":"11:08","startHours":10.138001935853847,"endHours":11.138001935853847,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:08","end":"12:08","startHours":11.138001935853847,"endHours":12.138001935853847,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:08","end":"13:08","startHours":12.138001935853847,"endHours":13.138001935853847,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:08","end":"14:08","startHours":13.138001935853847,"endHours":14.138001935853847,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:08","end":"15:08","startHours":14.138001935853847,"endHours":15.138001935853847,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:08","end":"16:08","startHours":15.138001935853847,"endHours":16.138001935853847,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:08","end":"17:08","startHours":16.138001935853847,"endHours":17.138001935853847,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:08","end":"18:08","startHours":17.138001935853847,"endHours":18.138001935853847,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:08","end":"19:08","startHours":18.138001935853847,"endHours":19.138001935853847,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:08","end":"20:08","startHours":19.138001935853847,"endHours":20.138001935853847,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:08","end":"21:08","startHours":20.138001935853847,"endHours":21.138001935853847,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:08","end":"22:08","startHours":21.138001935853847,"endHours":22.138001935853847,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:08","end":"23:08","startHours":22.138001935853847,"endHours":23.138001935853847,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:08","end":"00:08","startHours":23.138001935853847,"endHours":24.138001935853847,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:08","end":"01:08","startHours":24.138001935853847,"endHours":25.138001935853847,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:08","end":"02:08","startHours":25.138001935853847,"endHours":26.138001935853847,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:08","end":"03:08","startHours":26.138001935853847,"endHours":27.138001935853847,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:08","end":"04:08","startHours":27.138001935853847,"endHours":28.138001935853847,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:08","end":"05:08","startHours":28.138001935853847,"endHours":29.138001935853847,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:08","end":"06:08","startHours":29.138001935853847,"endHours":30.138001935853847,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:08","end":"07:08","startHours":30.138001935853847,"endHours":31.138001935853847,"planetary_lord":"Saturn"}],"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":"North","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.429027010536494,"eotMinutes":-13.52958854184206,"ayanamsa":23.7005}},"calendars":{"vikram_samvat":2046,"vikram_samvatsara":"Citrabhānu","saka_samvat":1911,"saka_samvatsara":"Śukla","bengali_samvat":1396,"malayalam_era":1165,"nanakshahi_year":520,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Navamī · Vikram 2046 Citrabhānu · Śaka 1911 Śukla"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"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 January 31, 1989 CE · Ṛṣikeśa · Vidhyamitra","description":"January 31, 1989 CE for Ṛṣikeśa: Kṛṣṇa Navamī, sūryodaya 07:08, sūryāsta 17:53.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1989-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1989-01-31","sa":"https://sa.vidhyamitra.com/city/rishikesh/1989-01-31","hi":"https://hi.vidhyamitra.com/city/rishikesh/1989-01-31","x-default":"https://vidhyamitra.com/city/rishikesh/1989-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-09T18:07:50.909Z","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":"2026-08-09T18:07:50.909Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-09T18:07:50.909Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}