{"id":"vidhyamitra:city-day:howrah:1997-07-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/1997-07-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-07-04","date_display":"July 4, 1997 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":1997,"month":7,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450633.770833,"kali_year":5099,"ahargana":1862168.2708,"sun":{"sidereal_longitude":77.9517,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":70.6526,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":352.701,"elapsed_within_tithi_degrees":4.701},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":70.6526,"elapsed_within_degrees":3.986},"yoga":{"number":12,"name":"Dhruva","sum_longitude":148.6043},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"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":1997,"month":7,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450633.770833,"ahargana":1862168.2708,"kali_year":5099,"ayanamsa_lahiri":23.8181,"grahas":{"sun":{"sidereal_longitude":78.30112600000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":69.62302599999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":-4.4636},"mars":{"sidereal_longitude":163.06252599999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":87.99922600000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":297.246626,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":102.627926,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":355.821126,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":153.3636,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":333.3636,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":"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":1997,"month":7,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450633.770833,"kali_year":5099,"ahargana":1862168.2708,"sun":{"sidereal_longitude":77.9517,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":70.6526,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":352.701,"elapsed_within_tithi_degrees":4.701},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":70.6526,"elapsed_within_degrees":3.986},"yoga":{"number":12,"name":"Dhruva","sum_longitude":148.6043},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.464,"elongation":7.299},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.464,"opposition_distance":172.701}},"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":"04:57","sunsetLocal":"18:25","solarNoonLocal":"11:41","dayLengthHours":13.481811324709845,"dayLengthDisplay":"13 Hours 28 Mins 55 Secs","nightLengthDisplay":"10 Hours 31 Mins 05 Secs","moonriseLocal":"04:22","moonsetLocal":"17:51","rahuKala":{"name":"Rāhu Kāla","start":"10:00","end":"11:41","startHours":9.997522138687305,"endHours":11.682748554276035,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:03","end":"16:44","startHours":15.053201385453498,"endHours":16.738427801042228,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:38","end":"08:19","startHours":6.627069307509844,"endHours":8.312295723098575,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:05","end":"08:32","startHours":8.087598867686744,"endHours":8.536992578510405,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:30","end":"05:52","startHours":5.50358503045069,"endHours":5.863099999109619,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:14","end":"12:08","startHours":11.233354843452373,"endHours":12.132142265099697,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:09","end":"04:03","startHours":3.144268048626467,"endHours":4.04305547027379,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:49","end":"04:57","startHours":3.8183586148619595,"endHours":4.941842891921113,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:50","startHours":13.929717108394343,"endHours":14.828504530041666,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:13","end":"18:37","startHours":18.22365421663096,"endHours":18.623654216630957,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:25","end":"18:59","startHours":18.423654216630958,"endHours":18.985396355160535,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:10","end":"19:55","startHours":18.173654216630958,"endHours":19.923654216630958,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:14","end":"00:08","startHours":23.233354843452375,"endHours":24.132142265099695,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"04:57","end":"06:38","startHours":4.941842891921113,"endHours":6.627069307509844,"quality":"neutral"},{"name":"Labha","start":"06:38","end":"08:19","startHours":6.627069307509844,"endHours":8.312295723098575,"quality":"auspicious"},{"name":"Amṛta","start":"08:19","end":"10:00","startHours":8.312295723098575,"endHours":9.997522138687305,"quality":"auspicious"},{"name":"Kāla","start":"10:00","end":"11:41","startHours":9.997522138687305,"endHours":11.682748554276035,"quality":"inauspicious"},{"name":"Śubha","start":"11:41","end":"13:22","startHours":11.682748554276035,"endHours":13.367974969864765,"quality":"auspicious"},{"name":"Roga","start":"13:22","end":"15:03","startHours":13.367974969864765,"endHours":15.053201385453498,"quality":"inauspicious"},{"name":"Udveg","start":"15:03","end":"16:44","startHours":15.053201385453498,"endHours":16.738427801042228,"quality":"inauspicious"},{"name":"Chala","start":"16:44","end":"18:25","startHours":16.738427801042228,"endHours":18.423654216630958,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:25","end":"19:44","startHours":18.423654216630958,"endHours":19.738427801042228,"quality":"inauspicious"},{"name":"Udveg","start":"19:44","end":"21:03","startHours":19.738427801042228,"endHours":21.053201385453498,"quality":"inauspicious"},{"name":"Chala","start":"21:03","end":"22:22","startHours":21.053201385453498,"endHours":22.367974969864765,"quality":"neutral"},{"name":"Labha","start":"22:22","end":"23:41","startHours":22.367974969864765,"endHours":23.682748554276035,"quality":"auspicious"},{"name":"Amṛta","start":"23:41","end":"01:00","startHours":23.682748554276035,"endHours":24.997522138687305,"quality":"auspicious"},{"name":"Kāla","start":"01:00","end":"02:19","startHours":24.997522138687305,"endHours":26.312295723098572,"quality":"inauspicious"},{"name":"Śubha","start":"02:19","end":"03:38","startHours":26.312295723098572,"endHours":27.627069307509842,"quality":"auspicious"},{"name":"Roga","start":"03:38","end":"04:57","startHours":27.627069307509842,"endHours":28.941842891921112,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"04:57","end":"05:57","startHours":4.941842891921113,"endHours":5.941842891921113,"planetary_lord":"Venus"},{"name":"Hora 2","start":"05:57","end":"06:57","startHours":5.941842891921113,"endHours":6.941842891921113,"planetary_lord":"Sun"},{"name":"Hora 3","start":"06:57","end":"07:57","startHours":6.941842891921113,"endHours":7.941842891921113,"planetary_lord":"Mars"},{"name":"Hora 4","start":"07:57","end":"08:57","startHours":7.941842891921113,"endHours":8.941842891921112,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"08:57","end":"09:57","startHours":8.941842891921112,"endHours":9.941842891921112,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"09:57","end":"10:57","startHours":9.941842891921112,"endHours":10.941842891921112,"planetary_lord":"Moon"},{"name":"Hora 7","start":"10:57","end":"11:57","startHours":10.941842891921112,"endHours":11.941842891921112,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"11:57","end":"12:57","startHours":11.941842891921112,"endHours":12.941842891921112,"planetary_lord":"Venus"},{"name":"Hora 9","start":"12:57","end":"13:57","startHours":12.941842891921112,"endHours":13.941842891921112,"planetary_lord":"Sun"},{"name":"Hora 10","start":"13:57","end":"14:57","startHours":13.941842891921112,"endHours":14.941842891921112,"planetary_lord":"Mars"},{"name":"Hora 11","start":"14:57","end":"15:57","startHours":14.941842891921112,"endHours":15.941842891921112,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"15:57","end":"16:57","startHours":15.941842891921112,"endHours":16.941842891921112,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"16:57","end":"17:57","startHours":16.941842891921112,"endHours":17.941842891921112,"planetary_lord":"Moon"},{"name":"Hora 14","start":"17:57","end":"18:57","startHours":17.941842891921112,"endHours":18.941842891921112,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"18:57","end":"19:57","startHours":18.941842891921112,"endHours":19.941842891921112,"planetary_lord":"Venus"},{"name":"Hora 16","start":"19:57","end":"20:57","startHours":19.941842891921112,"endHours":20.941842891921112,"planetary_lord":"Sun"},{"name":"Hora 17","start":"20:57","end":"21:57","startHours":20.941842891921112,"endHours":21.941842891921112,"planetary_lord":"Mars"},{"name":"Hora 18","start":"21:57","end":"22:57","startHours":21.941842891921112,"endHours":22.941842891921112,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"22:57","end":"23:57","startHours":22.941842891921112,"endHours":23.941842891921112,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"23:57","end":"00:57","startHours":23.941842891921112,"endHours":24.941842891921112,"planetary_lord":"Moon"},{"name":"Hora 21","start":"00:57","end":"01:57","startHours":24.941842891921112,"endHours":25.941842891921112,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"01:57","end":"02:57","startHours":25.941842891921112,"endHours":26.941842891921112,"planetary_lord":"Venus"},{"name":"Hora 23","start":"02:57","end":"03:57","startHours":26.941842891921112,"endHours":27.941842891921112,"planetary_lord":"Sun"},{"name":"Hora 24","start":"03:57","end":"04:57","startHours":27.941842891921112,"endHours":28.941842891921112,"planetary_lord":"Mars"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":22.884089789343207,"eotMinutes":-4.019313256562166,"ayanamsa":23.8181}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Kṛṣṇa Amāvasyā · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5}]},"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 4, 1997 CE · Howrah, West Bengal · Vidhyamitra","description":"July 4, 1997 CE for Howrah, West Bengal: Kṛṣṇa Amāvasyā, sūryodaya 04:57, sūryāsta 18:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/1997-07-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/1997-07-04","sa":"https://sa.vidhyamitra.com/city/howrah/1997-07-04","hi":"https://hi.vidhyamitra.com/city/howrah/1997-07-04","x-default":"https://vidhyamitra.com/city/howrah/1997-07-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T08:53:24.664Z","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":"2026-05-31T08:53:24.664Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T08:53:24.664Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}