{"id":"vidhyamitra:city-day:howrah:1987-07-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/1987-07-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1987-07-28","date_display":"July 28, 1987 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":1987,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447004.770833,"kali_year":5089,"ahargana":1858539.2708,"sun":{"sidereal_longitude":100.3015,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":126.5907,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":26.2892,"elapsed_within_tithi_degrees":2.2892},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":126.5907,"elapsed_within_degrees":6.5907},"yoga":{"number":18,"name":"Varīyān","sum_longitude":226.8922},"karana":{"half_tithi_index":4,"name":"Taitila"},"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":1987,"month":7,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447004.770833,"ahargana":1858539.2708,"kali_year":5089,"ayanamsa_lahiri":23.6794,"grahas":{"sun":{"sidereal_longitude":100.78178000000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":124.69058000000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":2.8335},"mars":{"sidereal_longitude":110.11797999999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":81.23937999999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":5.927579999999978,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":93.75038,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":230.93448,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":345.6455,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":165.6455,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"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":1987,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447004.770833,"kali_year":5089,"ahargana":1858539.2708,"sun":{"sidereal_longitude":100.3015,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":126.5907,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":26.2892,"elapsed_within_tithi_degrees":2.2892},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":126.5907,"elapsed_within_degrees":6.5907},"yoga":{"number":18,"name":"Varīyān","sum_longitude":226.8922},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.834,"elongation":26.289},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.834,"opposition_distance":153.711}},"eclipse_window_40days":[]},"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"sunriseLocal":"05:06","sunsetLocal":"18:20","solarNoonLocal":"11:43","dayLengthHours":13.236372396700498,"dayLengthDisplay":"13 Hours 14 Mins 11 Secs","nightLengthDisplay":"10 Hours 45 Mins 49 Secs","moonriseLocal":"06:56","moonsetLocal":"19:42","rahuKala":{"name":"Rāhu Kāla","start":"15:02","end":"16:41","startHours":15.027692310448478,"endHours":16.682238860036037,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:25","end":"10:04","startHours":8.409506112098228,"endHours":10.06405266168579,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:43","end":"13:22","startHours":11.718599211273354,"endHours":13.373145760860915,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:11","end":"08:38","startHours":8.188899905486554,"endHours":8.630112318709903,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:39","end":"06:00","startHours":5.651928529452292,"endHours":6.004898460030971,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:17","end":"12:10","startHours":11.277386798050003,"endHours":12.159811624496704,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:20","end":"04:13","startHours":3.3355633600297043,"endHours":4.217988186476404,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:00","end":"05:06","startHours":3.997381979864729,"endHours":5.100413012923104,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:48","startHours":13.924661277390102,"endHours":14.807086103836802,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:08","end":"18:32","startHours":18.136785409623602,"endHours":18.5367854096236,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:20","end":"18:53","startHours":18.3367854096236,"endHours":18.888300926152787,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:05","end":"19:50","startHours":18.0867854096236,"endHours":19.8367854096236,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:17","end":"00:10","startHours":23.277386798050003,"endHours":24.159811624496704,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:06","end":"06:45","startHours":5.100413012923104,"endHours":6.754959562510666,"quality":"inauspicious"},{"name":"Udveg","start":"06:45","end":"08:25","startHours":6.754959562510666,"endHours":8.409506112098228,"quality":"inauspicious"},{"name":"Chala","start":"08:25","end":"10:04","startHours":8.409506112098228,"endHours":10.06405266168579,"quality":"neutral"},{"name":"Labha","start":"10:04","end":"11:43","startHours":10.06405266168579,"endHours":11.718599211273354,"quality":"auspicious"},{"name":"Amṛta","start":"11:43","end":"13:22","startHours":11.718599211273354,"endHours":13.373145760860915,"quality":"auspicious"},{"name":"Kāla","start":"13:22","end":"15:02","startHours":13.373145760860915,"endHours":15.027692310448478,"quality":"inauspicious"},{"name":"Śubha","start":"15:02","end":"16:41","startHours":15.027692310448478,"endHours":16.682238860036037,"quality":"auspicious"},{"name":"Roga","start":"16:41","end":"18:20","startHours":16.682238860036037,"endHours":18.3367854096236,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:20","end":"19:41","startHours":18.3367854096236,"endHours":19.68223886003604,"quality":"inauspicious"},{"name":"Śubha","start":"19:41","end":"21:02","startHours":19.68223886003604,"endHours":21.027692310448476,"quality":"auspicious"},{"name":"Roga","start":"21:02","end":"22:22","startHours":21.027692310448476,"endHours":22.373145760860915,"quality":"inauspicious"},{"name":"Udveg","start":"22:22","end":"23:43","startHours":22.373145760860915,"endHours":23.718599211273354,"quality":"inauspicious"},{"name":"Chala","start":"23:43","end":"01:04","startHours":23.718599211273354,"endHours":25.064052661685793,"quality":"neutral"},{"name":"Labha","start":"01:04","end":"02:25","startHours":25.064052661685793,"endHours":26.409506112098228,"quality":"auspicious"},{"name":"Amṛta","start":"02:25","end":"03:45","startHours":26.409506112098228,"endHours":27.754959562510667,"quality":"auspicious"},{"name":"Kāla","start":"03:45","end":"05:06","startHours":27.754959562510667,"endHours":29.100413012923106,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:06","end":"06:06","startHours":5.100413012923104,"endHours":6.100413012923104,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:06","end":"07:06","startHours":6.100413012923104,"endHours":7.100413012923104,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:06","end":"08:06","startHours":7.100413012923104,"endHours":8.100413012923104,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:06","end":"09:06","startHours":8.100413012923104,"endHours":9.100413012923104,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:06","end":"10:06","startHours":9.100413012923104,"endHours":10.100413012923104,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:06","end":"11:06","startHours":10.100413012923104,"endHours":11.100413012923104,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:06","end":"12:06","startHours":11.100413012923104,"endHours":12.100413012923104,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:06","end":"13:06","startHours":12.100413012923104,"endHours":13.100413012923104,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:06","end":"14:06","startHours":13.100413012923104,"endHours":14.100413012923104,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:06","end":"15:06","startHours":14.100413012923104,"endHours":15.100413012923104,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:06","end":"16:06","startHours":15.100413012923104,"endHours":16.100413012923106,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:06","end":"17:06","startHours":16.100413012923106,"endHours":17.100413012923106,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:06","end":"18:06","startHours":17.100413012923106,"endHours":18.100413012923106,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:06","end":"19:06","startHours":18.100413012923106,"endHours":19.100413012923106,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:06","end":"20:06","startHours":19.100413012923106,"endHours":20.100413012923106,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:06","end":"21:06","startHours":20.100413012923106,"endHours":21.100413012923106,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:06","end":"22:06","startHours":21.100413012923106,"endHours":22.100413012923106,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:06","end":"23:06","startHours":22.100413012923106,"endHours":23.100413012923106,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:06","end":"00:06","startHours":23.100413012923106,"endHours":24.100413012923106,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:06","end":"01:06","startHours":24.100413012923106,"endHours":25.100413012923106,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:06","end":"02:06","startHours":25.100413012923106,"endHours":26.100413012923106,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:06","end":"03:06","startHours":26.100413012923106,"endHours":27.100413012923106,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:06","end":"04:06","startHours":27.100413012923106,"endHours":28.100413012923106,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:06","end":"05:06","startHours":28.100413012923106,"endHours":29.100413012923106,"planetary_lord":"Saturn"}],"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","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.143443551178386,"eotMinutes":-6.170352676401169,"ayanamsa":23.6794}},"calendars":{"vikram_samvat":2044,"vikram_samvatsara":"Vikrama","saka_samvat":1909,"saka_samvatsara":"Prabhava","bengali_samvat":1394,"malayalam_era":1163,"nanakshahi_year":518,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Tṛtīyā · Vikram 2044 Vikrama · Śaka 1909 Prabhava"},"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":"howrah"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 28, 1987 CE · Howrah, West Bengal · Vidhyamitra","description":"July 28, 1987 CE for Howrah, West Bengal: Śukla Tṛtīyā, sūryodaya 05:06, sūryāsta 18:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/1987-07-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/1987-07-28","sa":"https://sa.vidhyamitra.com/city/howrah/1987-07-28","hi":"https://hi.vidhyamitra.com/city/howrah/1987-07-28","x-default":"https://vidhyamitra.com/city/howrah/1987-07-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T07:02:37.482Z","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":"2026-09-06T07:02:37.482Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T07:02:37.482Z","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"}}}