{"id":"vidhyamitra:city-day:haridwar:1991-05-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/haridwar/1991-05-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1991-05-31","date_display":"May 31, 1991 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":1991,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448407.770833,"kali_year":5093,"ahargana":1859942.2708,"sun":{"sidereal_longitude":45.2854,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":256.2541,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":210.9687,"elapsed_within_tithi_degrees":6.9687},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":256.2541,"elapsed_within_degrees":2.9207},"yoga":{"number":23,"name":"Śubha","sum_longitude":301.5395},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1991,"month":5,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448407.770833,"ahargana":1859942.2708,"kali_year":5093,"ayanamsa_lahiri":23.733,"grahas":{"sun":{"sidereal_longitude":45.38197600000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":253.38937600000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":-1.1676},"mars":{"sidereal_longitude":99.05777599999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":26.852175999999986,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":104.97997600000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"venus":{"sidereal_longitude":90.231876,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":282.784076,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":271.3078,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":91.3078,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","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":"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":1991,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448407.770833,"kali_year":5093,"ahargana":1859942.2708,"sun":{"sidereal_longitude":45.2854,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":256.2541,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":210.9687,"elapsed_within_tithi_degrees":6.9687},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":256.2541,"elapsed_within_degrees":2.9207},"yoga":{"number":23,"name":"Śubha","sum_longitude":301.5395},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.168,"elongation":149.031},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.168,"opposition_distance":30.969}},"eclipse_window_40days":[]},"city":{"slug":"haridwar","name":"Haridwār","lat":29.9457,"lon":78.1642,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"haridwar","name":"Haridwār","lat":29.9457,"lon":78.1642,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"05:17","sunsetLocal":"19:12","solarNoonLocal":"12:15","dayLengthHours":13.919748778248387,"dayLengthDisplay":"13 Hours 55 Mins 11 Secs","nightLengthDisplay":"10 Hours 04 Mins 49 Secs","moonriseLocal":"21:01","moonsetLocal":"07:13","rahuKala":{"name":"Rāhu Kāla","start":"10:30","end":"12:15","startHours":10.507425290083287,"endHours":12.247393887364336,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:44","end":"17:28","startHours":15.727331081926433,"endHours":17.467299679207482,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:02","end":"08:46","startHours":7.027488095521191,"endHours":8.76745669280224,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"09:00","startHours":8.535460879831433,"endHours":8.999452505773046,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:52","end":"06:14","startHours":5.86750903066716,"endHours":6.23870233142045,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:43","startHours":11.783402261422724,"endHours":12.71138551330595,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:26","end":"04:22","startHours":3.4315529944736913,"endHours":4.359536246356917,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:08","end":"05:17","startHours":4.127540433386111,"endHours":5.287519498240143,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:30","startHours":14.567352017072402,"endHours":15.495335268955628,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:00","end":"19:24","startHours":19.00726827648853,"endHours":19.40726827648853,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:12","end":"19:47","startHours":19.20726827648853,"endHours":19.787257808915548,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:57","end":"20:42","startHours":18.95726827648853,"endHours":20.70726827648853,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:43","startHours":23.783402261422726,"endHours":24.711385513305952,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:17","end":"07:02","startHours":5.287519498240143,"endHours":7.027488095521191,"quality":"neutral"},{"name":"Labha","start":"07:02","end":"08:46","startHours":7.027488095521191,"endHours":8.76745669280224,"quality":"auspicious"},{"name":"Amṛta","start":"08:46","end":"10:30","startHours":8.76745669280224,"endHours":10.507425290083287,"quality":"auspicious"},{"name":"Kāla","start":"10:30","end":"12:15","startHours":10.507425290083287,"endHours":12.247393887364336,"quality":"inauspicious"},{"name":"Śubha","start":"12:15","end":"13:59","startHours":12.247393887364336,"endHours":13.987362484645384,"quality":"auspicious"},{"name":"Roga","start":"13:59","end":"15:44","startHours":13.987362484645384,"endHours":15.727331081926433,"quality":"inauspicious"},{"name":"Udveg","start":"15:44","end":"17:28","startHours":15.727331081926433,"endHours":17.467299679207482,"quality":"inauspicious"},{"name":"Chala","start":"17:28","end":"19:12","startHours":17.467299679207482,"endHours":19.20726827648853,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:12","end":"20:28","startHours":19.20726827648853,"endHours":20.467299679207482,"quality":"inauspicious"},{"name":"Udveg","start":"20:28","end":"21:44","startHours":20.467299679207482,"endHours":21.727331081926433,"quality":"inauspicious"},{"name":"Chala","start":"21:44","end":"22:59","startHours":21.727331081926433,"endHours":22.987362484645384,"quality":"neutral"},{"name":"Labha","start":"22:59","end":"00:15","startHours":22.987362484645384,"endHours":24.24739388736434,"quality":"auspicious"},{"name":"Amṛta","start":"00:15","end":"01:30","startHours":24.24739388736434,"endHours":25.50742529008329,"quality":"auspicious"},{"name":"Kāla","start":"01:30","end":"02:46","startHours":25.50742529008329,"endHours":26.76745669280224,"quality":"inauspicious"},{"name":"Śubha","start":"02:46","end":"04:02","startHours":26.76745669280224,"endHours":28.027488095521193,"quality":"auspicious"},{"name":"Roga","start":"04:02","end":"05:17","startHours":28.027488095521193,"endHours":29.287519498240144,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:17","end":"06:17","startHours":5.287519498240143,"endHours":6.287519498240143,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:17","end":"07:17","startHours":6.287519498240143,"endHours":7.287519498240143,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:17","end":"08:17","startHours":7.287519498240143,"endHours":8.287519498240144,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:17","end":"09:17","startHours":8.287519498240144,"endHours":9.287519498240144,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:17","end":"10:17","startHours":9.287519498240144,"endHours":10.287519498240144,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:17","end":"11:17","startHours":10.287519498240144,"endHours":11.287519498240144,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:17","end":"12:17","startHours":11.287519498240144,"endHours":12.287519498240144,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:17","end":"13:17","startHours":12.287519498240144,"endHours":13.287519498240144,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:17","end":"14:17","startHours":13.287519498240144,"endHours":14.287519498240144,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:17","end":"15:17","startHours":14.287519498240144,"endHours":15.287519498240144,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:17","end":"16:17","startHours":15.287519498240144,"endHours":16.287519498240144,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:17","end":"17:17","startHours":16.287519498240144,"endHours":17.287519498240144,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:17","end":"18:17","startHours":17.287519498240144,"endHours":18.287519498240144,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:17","end":"19:17","startHours":18.287519498240144,"endHours":19.287519498240144,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:17","end":"20:17","startHours":19.287519498240144,"endHours":20.287519498240144,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:17","end":"21:17","startHours":20.287519498240144,"endHours":21.287519498240144,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:17","end":"22:17","startHours":21.287519498240144,"endHours":22.287519498240144,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:17","end":"23:17","startHours":22.287519498240144,"endHours":23.287519498240144,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:17","end":"00:17","startHours":23.287519498240144,"endHours":24.287519498240144,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:17","end":"01:17","startHours":24.287519498240144,"endHours":25.287519498240144,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:17","end":"02:17","startHours":25.287519498240144,"endHours":26.287519498240144,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:17","end":"03:17","startHours":26.287519498240144,"endHours":27.287519498240144,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:17","end":"04:17","startHours":27.287519498240144,"endHours":28.287519498240144,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:17","end":"05:17","startHours":28.287519498240144,"endHours":29.287519498240144,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.814359308876977,"eotMinutes":2.4995667581397525,"ayanamsa":23.733}},"calendars":{"vikram_samvat":2048,"vikram_samvatsara":"Tāraṇa","saka_samvat":1913,"saka_samvatsara":"Prajāpati","bengali_samvat":1398,"malayalam_era":1167,"nanakshahi_year":522,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Tṛtīyā · Vikram 2048 Tāraṇa · Śaka 1913 Prajāpati"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"haridwar"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 31, 1991 CE · Haridwār · Vidhyamitra","description":"May 31, 1991 CE for Haridwār: Kṛṣṇa Tṛtīyā, sūryodaya 05:17, sūryāsta 19:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/haridwar/1991-05-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/haridwar/1991-05-31","sa":"https://sa.vidhyamitra.com/city/haridwar/1991-05-31","hi":"https://hi.vidhyamitra.com/city/haridwar/1991-05-31","x-default":"https://vidhyamitra.com/city/haridwar/1991-05-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-12T15:50:32.758Z","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":"2026-09-12T15:50:32.758Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-12T15:50:32.758Z","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":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","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"}}}