{"id":"vidhyamitra:city-day:howrah:1900-07-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/1900-07-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1900-07-30","date_display":"July 30, 1900 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":1900,"month":7,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415230.770833,"kali_year":5002,"ahargana":1826765.2708,"sun":{"sidereal_longitude":103.6377,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":145.8065,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.1689,"elapsed_within_tithi_degrees":6.1689},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":145.8065,"elapsed_within_degrees":12.4732},"yoga":{"number":19,"name":"Parigha","sum_longitude":249.4442},"karana":{"half_tithi_index":7,"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":1900,"month":7,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2415230.770833,"ahargana":1826765.2708,"kali_year":5002,"ayanamsa_lahiri":22.4641,"grahas":{"sun":{"sidereal_longitude":103.92898100000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":142.922081,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false,"latitude":-4.4699},"mars":{"sidereal_longitude":61.60278099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":109.243381,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":219.94658099999992,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":76.24218100000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":248.15128100000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":229.1849,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":49.1849,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"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":1900,"month":7,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415230.770833,"kali_year":5002,"ahargana":1826765.2708,"sun":{"sidereal_longitude":103.6377,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":145.8065,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.1689,"elapsed_within_tithi_degrees":6.1689},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":145.8065,"elapsed_within_degrees":12.4732},"yoga":{"number":19,"name":"Parigha","sum_longitude":249.4442},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.47,"elongation":42.169},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.47,"opposition_distance":137.831}},"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":"05:07","sunsetLocal":"18:19","solarNoonLocal":"11:43","dayLengthHours":13.206443467695175,"dayLengthDisplay":"13 Hours 12 Mins 23 Secs","nightLengthDisplay":"10 Hours 47 Mins 37 Secs","moonriseLocal":"08:07","moonsetLocal":"20:31","rahuKala":{"name":"Rāhu Kāla","start":"06:46","end":"08:25","startHours":6.765255128227314,"endHours":8.41606056168921,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:04","end":"11:43","startHours":10.066865995151108,"endHours":11.717671428613006,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:22","end":"15:01","startHours":13.368476862074901,"endHours":15.019282295536799,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:12","end":"08:38","startHours":8.195953170560959,"endHours":8.636167952817464,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:40","end":"06:01","startHours":5.664718172586049,"endHours":6.016889998391254,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:17","end":"12:09","startHours":11.277456646356498,"endHours":12.15788621086951,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:21","end":"04:14","startHours":3.3535905657393936,"endHours":4.234020130252405,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:01","end":"05:07","startHours":4.0139127391241525,"endHours":5.114449694765417,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:48","startHours":13.918745339895533,"endHours":14.799174904408545,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:07","end":"18:31","startHours":18.120893162460593,"endHours":18.52089316246059,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:19","end":"18:52","startHours":18.320893162460592,"endHours":18.871161640281226,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:04","end":"19:49","startHours":18.070893162460592,"endHours":19.820893162460592,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:17","end":"00:09","startHours":23.277456646356498,"endHours":24.157886210869506,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:07","end":"06:46","startHours":5.114449694765417,"endHours":6.765255128227314,"quality":"auspicious"},{"name":"Kāla","start":"06:46","end":"08:25","startHours":6.765255128227314,"endHours":8.41606056168921,"quality":"inauspicious"},{"name":"Śubha","start":"08:25","end":"10:04","startHours":8.41606056168921,"endHours":10.066865995151108,"quality":"auspicious"},{"name":"Roga","start":"10:04","end":"11:43","startHours":10.066865995151108,"endHours":11.717671428613006,"quality":"inauspicious"},{"name":"Udveg","start":"11:43","end":"13:22","startHours":11.717671428613006,"endHours":13.368476862074901,"quality":"inauspicious"},{"name":"Chala","start":"13:22","end":"15:01","startHours":13.368476862074901,"endHours":15.019282295536799,"quality":"neutral"},{"name":"Labha","start":"15:01","end":"16:40","startHours":15.019282295536799,"endHours":16.670087728998695,"quality":"auspicious"},{"name":"Amṛta","start":"16:40","end":"18:19","startHours":16.670087728998695,"endHours":18.320893162460592,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:19","end":"19:40","startHours":18.320893162460592,"endHours":19.670087728998695,"quality":"neutral"},{"name":"Labha","start":"19:40","end":"21:01","startHours":19.670087728998695,"endHours":21.019282295536797,"quality":"auspicious"},{"name":"Amṛta","start":"21:01","end":"22:22","startHours":21.019282295536797,"endHours":22.3684768620749,"quality":"auspicious"},{"name":"Kāla","start":"22:22","end":"23:43","startHours":22.3684768620749,"endHours":23.717671428613006,"quality":"inauspicious"},{"name":"Śubha","start":"23:43","end":"01:04","startHours":23.717671428613006,"endHours":25.066865995151108,"quality":"auspicious"},{"name":"Roga","start":"01:04","end":"02:25","startHours":25.066865995151108,"endHours":26.41606056168921,"quality":"inauspicious"},{"name":"Udveg","start":"02:25","end":"03:46","startHours":26.41606056168921,"endHours":27.765255128227317,"quality":"inauspicious"},{"name":"Chala","start":"03:46","end":"05:07","startHours":27.765255128227317,"endHours":29.11444969476542,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:07","end":"06:07","startHours":5.114449694765417,"endHours":6.114449694765417,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:07","end":"07:07","startHours":6.114449694765417,"endHours":7.114449694765417,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:07","end":"08:07","startHours":7.114449694765417,"endHours":8.114449694765417,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:07","end":"09:07","startHours":8.114449694765417,"endHours":9.114449694765417,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:07","end":"10:07","startHours":9.114449694765417,"endHours":10.114449694765417,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:07","end":"11:07","startHours":10.114449694765417,"endHours":11.114449694765417,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:07","end":"12:07","startHours":11.114449694765417,"endHours":12.114449694765417,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:07","end":"13:07","startHours":12.114449694765417,"endHours":13.114449694765417,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:07","end":"14:07","startHours":13.114449694765417,"endHours":14.114449694765417,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:07","end":"15:07","startHours":14.114449694765417,"endHours":15.114449694765417,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:07","end":"16:07","startHours":15.114449694765417,"endHours":16.11444969476542,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:07","end":"17:07","startHours":16.11444969476542,"endHours":17.11444969476542,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:07","end":"18:07","startHours":17.11444969476542,"endHours":18.11444969476542,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:07","end":"19:07","startHours":18.11444969476542,"endHours":19.11444969476542,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:07","end":"20:07","startHours":19.11444969476542,"endHours":20.11444969476542,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:07","end":"21:07","startHours":20.11444969476542,"endHours":21.11444969476542,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:07","end":"22:07","startHours":21.11444969476542,"endHours":22.11444969476542,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:07","end":"23:07","startHours":22.11444969476542,"endHours":23.11444969476542,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:07","end":"00:07","startHours":23.11444969476542,"endHours":24.11444969476542,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:07","end":"01:07","startHours":24.11444969476542,"endHours":25.11444969476542,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:07","end":"02:07","startHours":25.11444969476542,"endHours":26.11444969476542,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:07","end":"03:07","startHours":26.11444969476542,"endHours":27.11444969476542,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:07","end":"04:07","startHours":27.11444969476542,"endHours":28.11444969476542,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:07","end":"05:07","startHours":28.11444969476542,"endHours":29.11444969476542,"planetary_lord":"Venus"}],"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.672655137685663,"eotMinutes":-6.1146857167802535,"ayanamsa":22.4641}},"calendars":{"vikram_samvat":1957,"vikram_samvatsara":"Pramādī","saka_samvat":1822,"saka_samvatsara":"Śārvarī","bengali_samvat":1307,"malayalam_era":1076,"nanakshahi_year":431,"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 Caturthī · Vikram 1957 Pramādī · Śaka 1822 Śārvarī"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 30, 1900 CE · Howrah, West Bengal · Vidhyamitra","description":"July 30, 1900 CE for Howrah, West Bengal: Śukla Caturthī, sūryodaya 05:07, sūryāsta 18:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/1900-07-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/1900-07-30","sa":"https://sa.vidhyamitra.com/city/howrah/1900-07-30","hi":"https://hi.vidhyamitra.com/city/howrah/1900-07-30","x-default":"https://vidhyamitra.com/city/howrah/1900-07-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T22:26:19.166Z","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":"2026-06-02T22:26:19.166Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T22:26:19.166Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}