{"id":"vidhyamitra:city-day:vrindavan:1866-07-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1866-07-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1866-07-28","date_display":"July 28, 1866 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":1866,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402810.770833,"kali_year":4968,"ahargana":1814345.2708,"sun":{"sidereal_longitude":102.4951,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":286.2998,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":183.8047,"elapsed_within_tithi_degrees":3.8047},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":286.2998,"elapsed_within_degrees":6.2998},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":28.795},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1866,"month":7,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2402810.770833,"ahargana":1814345.2708,"kali_year":4968,"ayanamsa_lahiri":21.9891,"grahas":{"sun":{"sidereal_longitude":102.697316,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":286.956416,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false,"latitude":3.9332},"mars":{"sidereal_longitude":42.036516000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":131.31991599999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":276.653916,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":142.37721599999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":194.917916,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":167.2563,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":347.2563,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":1866,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402810.770833,"kali_year":4968,"ahargana":1814345.2708,"sun":{"sidereal_longitude":102.4951,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":286.2998,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":183.8047,"elapsed_within_tithi_degrees":3.8047},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":286.2998,"elapsed_within_degrees":6.2998},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":28.795},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.933,"elongation":176.195},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.933,"opposition_distance":3.805}},"eclipse_window_40days":[]},"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":"05:40","sunsetLocal":"19:11","solarNoonLocal":"12:26","dayLengthHours":13.522751580512672,"dayLengthDisplay":"13 Hours 31 Mins 22 Secs","nightLengthDisplay":"10 Hours 28 Mins 38 Secs","moonriseLocal":"19:19","moonsetLocal":"06:06","rahuKala":{"name":"Rāhu Kāla","start":"09:03","end":"10:44","startHours":9.04486464947852,"endHours":10.735208597042604,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:07","end":"15:48","startHours":14.115896492170773,"endHours":15.806240439734854,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:40","end":"07:21","startHours":5.664176754350351,"endHours":7.354520701914435,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:49","end":"09:16","startHours":8.819485456469975,"endHours":9.270243842487064,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:14","end":"06:35","startHours":6.227624736871713,"endHours":6.588231445685384,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:53","startHours":11.974794158589598,"endHours":12.876310930623776,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:52","end":"04:46","startHours":3.861143210281995,"endHours":4.7626599823161735,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:32","end":"05:40","startHours":4.537280789307629,"endHours":5.664176754350351,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:35","startHours":14.679344474692133,"endHours":15.580861246726311,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:59","end":"19:23","startHours":18.986928334863023,"endHours":19.386928334863022,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:11","end":"19:45","startHours":19.186928334863023,"endHours":19.750376317384383,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:56","end":"20:41","startHours":18.936928334863023,"endHours":20.686928334863023,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:53","startHours":23.9747941585896,"endHours":24.876310930623777,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:40","end":"07:21","startHours":5.664176754350351,"endHours":7.354520701914435,"quality":"inauspicious"},{"name":"Śubha","start":"07:21","end":"09:03","startHours":7.354520701914435,"endHours":9.04486464947852,"quality":"auspicious"},{"name":"Roga","start":"09:03","end":"10:44","startHours":9.04486464947852,"endHours":10.735208597042604,"quality":"inauspicious"},{"name":"Udveg","start":"10:44","end":"12:26","startHours":10.735208597042604,"endHours":12.425552544606688,"quality":"inauspicious"},{"name":"Chala","start":"12:26","end":"14:07","startHours":12.425552544606688,"endHours":14.115896492170773,"quality":"neutral"},{"name":"Labha","start":"14:07","end":"15:48","startHours":14.115896492170773,"endHours":15.806240439734854,"quality":"auspicious"},{"name":"Amṛta","start":"15:48","end":"17:30","startHours":15.806240439734854,"endHours":17.496584387298938,"quality":"auspicious"},{"name":"Kāla","start":"17:30","end":"19:11","startHours":17.496584387298938,"endHours":19.186928334863023,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:11","end":"20:30","startHours":19.186928334863023,"endHours":20.496584387298938,"quality":"auspicious"},{"name":"Amṛta","start":"20:30","end":"21:48","startHours":20.496584387298938,"endHours":21.806240439734854,"quality":"auspicious"},{"name":"Kāla","start":"21:48","end":"23:07","startHours":21.806240439734854,"endHours":23.11589649217077,"quality":"inauspicious"},{"name":"Śubha","start":"23:07","end":"00:26","startHours":23.11589649217077,"endHours":24.42555254460669,"quality":"auspicious"},{"name":"Roga","start":"00:26","end":"01:44","startHours":24.42555254460669,"endHours":25.7352085970426,"quality":"inauspicious"},{"name":"Udveg","start":"01:44","end":"03:03","startHours":25.7352085970426,"endHours":27.04486464947852,"quality":"inauspicious"},{"name":"Chala","start":"03:03","end":"04:21","startHours":27.04486464947852,"endHours":28.354520701914435,"quality":"neutral"},{"name":"Labha","start":"04:21","end":"05:40","startHours":28.354520701914435,"endHours":29.66417675435035,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:40","end":"06:40","startHours":5.664176754350351,"endHours":6.664176754350351,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:40","end":"07:40","startHours":6.664176754350351,"endHours":7.664176754350351,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:40","end":"08:40","startHours":7.664176754350351,"endHours":8.66417675435035,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:40","end":"09:40","startHours":8.66417675435035,"endHours":9.66417675435035,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:40","end":"10:40","startHours":9.66417675435035,"endHours":10.66417675435035,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:40","end":"11:40","startHours":10.66417675435035,"endHours":11.66417675435035,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:40","end":"12:40","startHours":11.66417675435035,"endHours":12.66417675435035,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:40","end":"13:40","startHours":12.66417675435035,"endHours":13.66417675435035,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:40","end":"14:40","startHours":13.66417675435035,"endHours":14.66417675435035,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:40","end":"15:40","startHours":14.66417675435035,"endHours":15.66417675435035,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:40","end":"16:40","startHours":15.66417675435035,"endHours":16.66417675435035,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:40","end":"17:40","startHours":16.66417675435035,"endHours":17.66417675435035,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:40","end":"18:40","startHours":17.66417675435035,"endHours":18.66417675435035,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:40","end":"19:40","startHours":18.66417675435035,"endHours":19.66417675435035,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:40","end":"20:40","startHours":19.66417675435035,"endHours":20.66417675435035,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:40","end":"21:40","startHours":20.66417675435035,"endHours":21.66417675435035,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:40","end":"22:40","startHours":21.66417675435035,"endHours":22.66417675435035,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:40","end":"23:40","startHours":22.66417675435035,"endHours":23.66417675435035,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:40","end":"00:40","startHours":23.66417675435035,"endHours":24.66417675435035,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:40","end":"01:40","startHours":24.66417675435035,"endHours":25.66417675435035,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:40","end":"02:40","startHours":25.66417675435035,"endHours":26.66417675435035,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:40","end":"03:40","startHours":26.66417675435035,"endHours":27.66417675435035,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:40","end":"04:40","startHours":27.66417675435035,"endHours":28.66417675435035,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:40","end":"05:40","startHours":28.66417675435035,"endHours":29.66417675435035,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","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":19.08964079831449,"eotMinutes":-6.170352676401169,"ayanamsa":21.9891}},"calendars":{"vikram_samvat":1923,"vikram_samvatsara":"Pramāthi","saka_samvat":1788,"saka_samvatsara":"Akṣaya","bengali_samvat":1273,"malayalam_era":1042,"nanakshahi_year":397,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","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 Kṛṣṇa Pratipada · Vikram 1923 Pramāthi · Śaka 1788 Akṣaya"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 July 28, 1866 CE · Vṛndāvana · Vidhyamitra","description":"July 28, 1866 CE for Vṛndāvana: Kṛṣṇa Pratipada, sūryodaya 05:40, sūryāsta 19:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1866-07-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1866-07-28","sa":"https://sa.vidhyamitra.com/city/vrindavan/1866-07-28","hi":"https://hi.vidhyamitra.com/city/vrindavan/1866-07-28","x-default":"https://vidhyamitra.com/city/vrindavan/1866-07-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T16:16:48.433Z","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":"2026-06-01T16:16:48.433Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T16:16:48.433Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}