{"id":"vidhyamitra:city-day:vrindavan:1987-09-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1987-09-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1987-09-07","date_display":"September 7, 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":9,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447045.770833,"kali_year":5089,"ahargana":1858580.2708,"sun":{"sidereal_longitude":139.5456,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":310.9992,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":171.4536,"elapsed_within_tithi_degrees":3.4536},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":310.9992,"elapsed_within_degrees":4.3325},"yoga":{"number":7,"name":"Sukarma","sum_longitude":90.5448},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":9,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447045.770833,"ahargana":1858580.2708,"kali_year":5089,"ayanamsa_lahiri":23.6809,"grahas":{"sun":{"sidereal_longitude":140.22121400000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":310.220414,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false,"latitude":-2.4144},"mars":{"sidereal_longitude":136.18041399999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":155.54031399999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":6.218514000000027,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":144.46061399999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":230.81861400000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":343.4731,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":163.4731,"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":9,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447045.770833,"kali_year":5089,"ahargana":1858580.2708,"sun":{"sidereal_longitude":139.5456,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":310.9992,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":171.4536,"elapsed_within_tithi_degrees":3.4536},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":310.9992,"elapsed_within_degrees":4.3325},"yoga":{"number":7,"name":"Sukarma","sum_longitude":90.5448},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.414,"elongation":171.454},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.414,"opposition_distance":8.546}},"eclipse_window_40days":[{"offset_days":16,"type":"solar","occurs":true,"moon_latitude":0.684,"elongation":1.231}]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:00","sunsetLocal":"18:34","solarNoonLocal":"12:17","dayLengthHours":12.569071397787008,"dayLengthDisplay":"12 Hours 34 Mins 09 Secs","nightLengthDisplay":"11 Hours 25 Mins 51 Secs","moonriseLocal":"17:55","moonsetLocal":"05:18","rahuKala":{"name":"Rāhu Kāla","start":"07:34","end":"09:08","startHours":7.566676576312493,"endHours":9.137810501035869,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:43","end":"12:17","startHours":10.708944425759245,"endHours":12.280078350482622,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:51","end":"15:25","startHours":13.851212275205997,"endHours":15.422346199929374,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:21","startHours":8.92832597773942,"endHours":9.347295024332318,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:31","end":"06:51","startHours":6.519253959830243,"endHours":6.854429197104563,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:42","startHours":11.861109303889721,"endHours":12.699047397075523,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:19","end":"05:09","startHours":4.319666465217516,"endHours":5.1576045584033166,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:57","end":"06:00","startHours":4.948120035106866,"endHours":5.995542651589117,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:13","startHours":14.374923583447123,"endHours":15.212861676632922,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:22","end":"18:46","startHours":18.364614049376126,"endHours":18.764614049376124,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:34","end":"19:05","startHours":18.564614049376125,"endHours":19.08832535761725,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:19","end":"20:04","startHours":18.314614049376125,"endHours":20.064614049376125,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:42","startHours":23.861109303889723,"endHours":24.69904739707552,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:00","end":"07:34","startHours":5.995542651589117,"endHours":7.566676576312493,"quality":"auspicious"},{"name":"Kāla","start":"07:34","end":"09:08","startHours":7.566676576312493,"endHours":9.137810501035869,"quality":"inauspicious"},{"name":"Śubha","start":"09:08","end":"10:43","startHours":9.137810501035869,"endHours":10.708944425759245,"quality":"auspicious"},{"name":"Roga","start":"10:43","end":"12:17","startHours":10.708944425759245,"endHours":12.280078350482622,"quality":"inauspicious"},{"name":"Udveg","start":"12:17","end":"13:51","startHours":12.280078350482622,"endHours":13.851212275205997,"quality":"inauspicious"},{"name":"Chala","start":"13:51","end":"15:25","startHours":13.851212275205997,"endHours":15.422346199929374,"quality":"neutral"},{"name":"Labha","start":"15:25","end":"17:00","startHours":15.422346199929374,"endHours":16.99348012465275,"quality":"auspicious"},{"name":"Amṛta","start":"17:00","end":"18:34","startHours":16.99348012465275,"endHours":18.564614049376125,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:34","end":"20:00","startHours":18.564614049376125,"endHours":19.99348012465275,"quality":"neutral"},{"name":"Labha","start":"20:00","end":"21:25","startHours":19.99348012465275,"endHours":21.422346199929372,"quality":"auspicious"},{"name":"Amṛta","start":"21:25","end":"22:51","startHours":21.422346199929372,"endHours":22.851212275205995,"quality":"auspicious"},{"name":"Kāla","start":"22:51","end":"00:17","startHours":22.851212275205995,"endHours":24.280078350482622,"quality":"inauspicious"},{"name":"Śubha","start":"00:17","end":"01:43","startHours":24.280078350482622,"endHours":25.708944425759245,"quality":"auspicious"},{"name":"Roga","start":"01:43","end":"03:08","startHours":25.708944425759245,"endHours":27.13781050103587,"quality":"inauspicious"},{"name":"Udveg","start":"03:08","end":"04:34","startHours":27.13781050103587,"endHours":28.566676576312496,"quality":"inauspicious"},{"name":"Chala","start":"04:34","end":"06:00","startHours":28.566676576312496,"endHours":29.99554265158912,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:00","end":"07:00","startHours":5.995542651589117,"endHours":6.995542651589117,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:00","end":"08:00","startHours":6.995542651589117,"endHours":7.995542651589117,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:00","end":"09:00","startHours":7.995542651589117,"endHours":8.995542651589117,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:00","end":"10:00","startHours":8.995542651589117,"endHours":9.995542651589117,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:00","end":"11:00","startHours":9.995542651589117,"endHours":10.995542651589117,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:00","end":"12:00","startHours":10.995542651589117,"endHours":11.995542651589117,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:00","end":"13:00","startHours":11.995542651589117,"endHours":12.995542651589117,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:00","end":"14:00","startHours":12.995542651589117,"endHours":13.995542651589117,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:00","end":"15:00","startHours":13.995542651589117,"endHours":14.995542651589117,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:00","end":"16:00","startHours":14.995542651589117,"endHours":15.995542651589117,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:00","end":"17:00","startHours":15.995542651589117,"endHours":16.99554265158912,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:00","end":"18:00","startHours":16.99554265158912,"endHours":17.99554265158912,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:00","end":"19:00","startHours":17.99554265158912,"endHours":18.99554265158912,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:00","end":"20:00","startHours":18.99554265158912,"endHours":19.99554265158912,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:00","end":"21:00","startHours":19.99554265158912,"endHours":20.99554265158912,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:00","end":"22:00","startHours":20.99554265158912,"endHours":21.99554265158912,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:00","end":"23:00","startHours":21.99554265158912,"endHours":22.99554265158912,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:00","end":"00:00","startHours":22.99554265158912,"endHours":23.99554265158912,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:00","end":"01:00","startHours":23.99554265158912,"endHours":24.99554265158912,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:00","end":"02:00","startHours":24.99554265158912,"endHours":25.99554265158912,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:00","end":"03:00","startHours":25.99554265158912,"endHours":26.99554265158912,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:00","end":"04:00","startHours":26.99554265158912,"endHours":27.99554265158912,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:00","end":"05:00","startHours":27.99554265158912,"endHours":28.99554265158912,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:00","end":"06:00","startHours":28.99554265158912,"endHours":29.99554265158912,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":6.331626084328014,"eotMinutes":2.5580989710426816,"ayanamsa":23.6809}},"calendars":{"vikram_samvat":2044,"vikram_samvatsara":"Vikrama","saka_samvat":1909,"saka_samvatsara":"Prabhava","bengali_samvat":1394,"malayalam_era":1163,"nanakshahi_year":518,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Pūrṇimā · Vikram 2044 Vikrama · Śaka 1909 Prabhava"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7, 6.34-35.","step_count":5,"url":"/walk/chandra-walk","steps":[{"label":"BG 6.5","url":"/bhagavad-gita/6/5","purpose":"Lift the self by the Self; begin the walk with inner responsibility."},{"label":"BG 6.6","url":"/bhagavad-gita/6/6","purpose":"See the mind as friend when mastered and enemy when unmastered."},{"label":"BG 6.7","url":"/bhagavad-gita/6/7","purpose":"Stabilize the conquered mind in heat/cold, honor/dishonor, pleasure/pain."},{"label":"BG 6.34","url":"/bhagavad-gita/6/34","purpose":"Name the restless mind honestly before trying to discipline it."},{"label":"BG 6.35","url":"/bhagavad-gita/6/35","purpose":"Complete with abhyāsa and vairāgya: practice and detachment."}]},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 7, 1987 CE · Vṛndāvana · Vidhyamitra","description":"September 7, 1987 CE for Vṛndāvana: Śukla Pūrṇimā, sūryodaya 06:00, sūryāsta 18:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1987-09-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1987-09-07","sa":"https://sa.vidhyamitra.com/city/vrindavan/1987-09-07","hi":"https://hi.vidhyamitra.com/city/vrindavan/1987-09-07","x-default":"https://vidhyamitra.com/city/vrindavan/1987-09-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T06:25:51.895Z","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":"2026-09-06T06:25:51.895Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T06:25:51.895Z","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"}}}