{"id":"vidhyamitra:city-day:howrah:1997-05-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/1997-05-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-05-30","date_display":"May 30, 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":5,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450598.770833,"kali_year":5099,"ahargana":1862133.2708,"sun":{"sidereal_longitude":44.7593,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":324.3487,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":279.5894,"elapsed_within_tithi_degrees":3.5894},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":324.3487,"elapsed_within_degrees":4.3487},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":9.108},"karana":{"half_tithi_index":46,"name":"Taitila"},"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":5,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450598.770833,"ahargana":1862133.2708,"kali_year":5099,"ayanamsa_lahiri":23.8168,"grahas":{"sun":{"sidereal_longitude":44.86596300000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":324.2151630000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":0.8477},"mars":{"sidereal_longitude":148.509163,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":20.79276299999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":297.9668630000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":59.96326299999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":353.31476299999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":155.2181,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":335.2181,"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":5,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450598.770833,"kali_year":5099,"ahargana":1862133.2708,"sun":{"sidereal_longitude":44.7593,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":324.3487,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":279.5894,"elapsed_within_tithi_degrees":3.5894},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":324.3487,"elapsed_within_degrees":4.3487},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":9.108},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.848,"elongation":80.411},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.848,"opposition_distance":99.589}},"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":"04:52","sunsetLocal":"18:16","solarNoonLocal":"11:34","dayLengthHours":13.405712933820077,"dayLengthDisplay":"13 Hours 24 Mins 21 Secs","nightLengthDisplay":"10 Hours 35 Mins 39 Secs","moonriseLocal":"00:17","moonsetLocal":"12:06","rahuKala":{"name":"Rāhu Kāla","start":"09:54","end":"11:34","startHours":9.896091487745267,"endHours":11.571805604472775,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:55","end":"16:36","startHours":14.923233837927794,"endHours":16.598947954655305,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:33","end":"08:13","startHours":6.5446632542902465,"endHours":8.220377371017756,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:00","end":"08:27","startHours":7.996948822120755,"endHours":8.443805919914757,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:26","end":"05:47","startHours":5.42752050980524,"endHours":5.785006188040442,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:07","end":"12:01","startHours":11.124948506678773,"endHours":12.018662702266777,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:05","end":"03:59","startHours":3.081520746386727,"endHours":3.975234941974732,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:45","end":"04:52","startHours":3.7518063930777306,"endHours":4.868949137562737,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:48","end":"14:42","startHours":13.806091093442788,"endHours":14.699805289030794,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:04","end":"18:28","startHours":18.074662071382814,"endHours":18.474662071382813,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:16","end":"18:50","startHours":18.274662071382814,"endHours":18.833233443625318,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:01","end":"19:46","startHours":18.024662071382814,"endHours":19.774662071382814,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:07","end":"00:01","startHours":23.124948506678773,"endHours":24.018662702266777,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"04:52","end":"06:33","startHours":4.868949137562737,"endHours":6.5446632542902465,"quality":"neutral"},{"name":"Labha","start":"06:33","end":"08:13","startHours":6.5446632542902465,"endHours":8.220377371017756,"quality":"auspicious"},{"name":"Amṛta","start":"08:13","end":"09:54","startHours":8.220377371017756,"endHours":9.896091487745267,"quality":"auspicious"},{"name":"Kāla","start":"09:54","end":"11:34","startHours":9.896091487745267,"endHours":11.571805604472775,"quality":"inauspicious"},{"name":"Śubha","start":"11:34","end":"13:15","startHours":11.571805604472775,"endHours":13.247519721200284,"quality":"auspicious"},{"name":"Roga","start":"13:15","end":"14:55","startHours":13.247519721200284,"endHours":14.923233837927794,"quality":"inauspicious"},{"name":"Udveg","start":"14:55","end":"16:36","startHours":14.923233837927794,"endHours":16.598947954655305,"quality":"inauspicious"},{"name":"Chala","start":"16:36","end":"18:16","startHours":16.598947954655305,"endHours":18.274662071382814,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:16","end":"19:36","startHours":18.274662071382814,"endHours":19.598947954655305,"quality":"inauspicious"},{"name":"Udveg","start":"19:36","end":"20:55","startHours":19.598947954655305,"endHours":20.923233837927796,"quality":"inauspicious"},{"name":"Chala","start":"20:55","end":"22:15","startHours":20.923233837927796,"endHours":22.247519721200284,"quality":"neutral"},{"name":"Labha","start":"22:15","end":"23:34","startHours":22.247519721200284,"endHours":23.571805604472775,"quality":"auspicious"},{"name":"Amṛta","start":"23:34","end":"00:54","startHours":23.571805604472775,"endHours":24.896091487745267,"quality":"auspicious"},{"name":"Kāla","start":"00:54","end":"02:13","startHours":24.896091487745267,"endHours":26.220377371017754,"quality":"inauspicious"},{"name":"Śubha","start":"02:13","end":"03:33","startHours":26.220377371017754,"endHours":27.544663254290246,"quality":"auspicious"},{"name":"Roga","start":"03:33","end":"04:52","startHours":27.544663254290246,"endHours":28.868949137562737,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"04:52","end":"05:52","startHours":4.868949137562737,"endHours":5.868949137562737,"planetary_lord":"Venus"},{"name":"Hora 2","start":"05:52","end":"06:52","startHours":5.868949137562737,"endHours":6.868949137562737,"planetary_lord":"Sun"},{"name":"Hora 3","start":"06:52","end":"07:52","startHours":6.868949137562737,"endHours":7.868949137562737,"planetary_lord":"Mars"},{"name":"Hora 4","start":"07:52","end":"08:52","startHours":7.868949137562737,"endHours":8.868949137562737,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"08:52","end":"09:52","startHours":8.868949137562737,"endHours":9.868949137562737,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"09:52","end":"10:52","startHours":9.868949137562737,"endHours":10.868949137562737,"planetary_lord":"Moon"},{"name":"Hora 7","start":"10:52","end":"11:52","startHours":10.868949137562737,"endHours":11.868949137562737,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"11:52","end":"12:52","startHours":11.868949137562737,"endHours":12.868949137562737,"planetary_lord":"Venus"},{"name":"Hora 9","start":"12:52","end":"13:52","startHours":12.868949137562737,"endHours":13.868949137562737,"planetary_lord":"Sun"},{"name":"Hora 10","start":"13:52","end":"14:52","startHours":13.868949137562737,"endHours":14.868949137562737,"planetary_lord":"Mars"},{"name":"Hora 11","start":"14:52","end":"15:52","startHours":14.868949137562737,"endHours":15.868949137562737,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"15:52","end":"16:52","startHours":15.868949137562737,"endHours":16.868949137562737,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"16:52","end":"17:52","startHours":16.868949137562737,"endHours":17.868949137562737,"planetary_lord":"Moon"},{"name":"Hora 14","start":"17:52","end":"18:52","startHours":17.868949137562737,"endHours":18.868949137562737,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"18:52","end":"19:52","startHours":18.868949137562737,"endHours":19.868949137562737,"planetary_lord":"Venus"},{"name":"Hora 16","start":"19:52","end":"20:52","startHours":19.868949137562737,"endHours":20.868949137562737,"planetary_lord":"Sun"},{"name":"Hora 17","start":"20:52","end":"21:52","startHours":20.868949137562737,"endHours":21.868949137562737,"planetary_lord":"Mars"},{"name":"Hora 18","start":"21:52","end":"22:52","startHours":21.868949137562737,"endHours":22.868949137562737,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"22:52","end":"23:52","startHours":22.868949137562737,"endHours":23.868949137562737,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"23:52","end":"00:52","startHours":23.868949137562737,"endHours":24.868949137562737,"planetary_lord":"Moon"},{"name":"Hora 21","start":"00:52","end":"01:52","startHours":24.868949137562737,"endHours":25.868949137562737,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"01:52","end":"02:52","startHours":25.868949137562737,"endHours":26.868949137562737,"planetary_lord":"Venus"},{"name":"Hora 23","start":"02:52","end":"03:52","startHours":26.868949137562737,"endHours":27.868949137562737,"planetary_lord":"Sun"},{"name":"Hora 24","start":"03:52","end":"04:52","startHours":27.868949137562737,"endHours":28.868949137562737,"planetary_lord":"Mars"}],"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","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.74771302018235,"eotMinutes":2.6372637316334417,"ayanamsa":23.8168}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"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 Navamī · 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":[]},"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 May 30, 1997 CE · Howrah, West Bengal · Vidhyamitra","description":"May 30, 1997 CE for Howrah, West Bengal: Kṛṣṇa Navamī, sūryodaya 04:52, sūryāsta 18:16.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/1997-05-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/1997-05-30","sa":"https://sa.vidhyamitra.com/city/howrah/1997-05-30","hi":"https://hi.vidhyamitra.com/city/howrah/1997-05-30","x-default":"https://vidhyamitra.com/city/howrah/1997-05-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T08:53:09.882Z","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":"2026-06-01T08:53:09.882Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T08:53:09.882Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}