{"id":"vidhyamitra:city-day:lucknow:2170-07-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/2170-07-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2170-07-21","date_display":"July 21, 2170 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":2170,"month":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513837.770833,"kali_year":5272,"ahargana":1925372.2708,"sun":{"sidereal_longitude":91.4306,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":184.5161,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":93.0855,"elapsed_within_tithi_degrees":9.0855},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":184.5161,"elapsed_within_degrees":11.1828},"yoga":{"number":21,"name":"Siddha","sum_longitude":275.9467},"karana":{"half_tithi_index":15,"name":"Bava"},"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":2170,"month":7,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2513837.770833,"ahargana":1925372.2708,"kali_year":5272,"ayanamsa_lahiri":26.2355,"grahas":{"sun":{"sidereal_longitude":92.29426899999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":186.97936900000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false,"latitude":2.8905},"mars":{"sidereal_longitude":163.43296899999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":100.33186899999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":138.079569,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":134.03976899999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":307.46736899999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":44.5116,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":224.5116,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"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":2170,"month":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513837.770833,"kali_year":5272,"ahargana":1925372.2708,"sun":{"sidereal_longitude":91.4306,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":184.5161,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":93.0855,"elapsed_within_tithi_degrees":9.0855},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":184.5161,"elapsed_within_degrees":11.1828},"yoga":{"number":21,"name":"Siddha","sum_longitude":275.9467},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.891,"elongation":93.086},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.891,"opposition_distance":86.914}},"eclipse_window_40days":[]},"city":{"slug":"lucknow","name":"Lucknow, Uttar Pradesh","lat":26.8467,"lon":80.9462,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"lucknow","name":"Lucknow, Uttar Pradesh","lat":26.8467,"lon":80.9462,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:25","sunsetLocal":"19:00","solarNoonLocal":"12:12","dayLengthHours":13.586327760015,"dayLengthDisplay":"13 Hours 35 Mins 11 Secs","nightLengthDisplay":"10 Hours 24 Mins 49 Secs","moonriseLocal":"12:54","moonsetLocal":"00:08","rahuKala":{"name":"Rāhu Kāla","start":"08:48","end":"10:30","startHours":8.807834783917649,"endHours":10.506125753919525,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:54","end":"15:36","startHours":13.902707693923274,"endHours":15.60099866392515,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:25","end":"07:07","startHours":5.4112528439139,"endHours":7.109543813915774,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:35","end":"09:02","startHours":8.5813959879174,"endHours":9.0342735799179,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:59","end":"06:20","startHours":5.977349833914525,"endHours":6.339651907514925,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:45","end":"12:39","startHours":11.7515391319209,"endHours":12.657294315921899,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:36","end":"04:30","startHours":3.5997424759119,"endHours":4.5054976599128995,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:17","end":"05:25","startHours":4.27905886391265,"endHours":5.4112528439139,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:22","startHours":14.4688046839239,"endHours":15.3745598679249,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:48","end":"19:12","startHours":18.7975806039289,"endHours":19.1975806039289,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:00","end":"19:34","startHours":18.9975806039289,"endHours":19.563677593929523,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:45","end":"20:30","startHours":18.7475806039289,"endHours":20.4975806039289,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:45","end":"00:39","startHours":23.751539131920897,"endHours":24.6572943159219,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:25","end":"07:07","startHours":5.4112528439139,"endHours":7.109543813915774,"quality":"inauspicious"},{"name":"Śubha","start":"07:07","end":"08:48","startHours":7.109543813915774,"endHours":8.807834783917649,"quality":"auspicious"},{"name":"Roga","start":"08:48","end":"10:30","startHours":8.807834783917649,"endHours":10.506125753919525,"quality":"inauspicious"},{"name":"Udveg","start":"10:30","end":"12:12","startHours":10.506125753919525,"endHours":12.2044167239214,"quality":"inauspicious"},{"name":"Chala","start":"12:12","end":"13:54","startHours":12.2044167239214,"endHours":13.902707693923274,"quality":"neutral"},{"name":"Labha","start":"13:54","end":"15:36","startHours":13.902707693923274,"endHours":15.60099866392515,"quality":"auspicious"},{"name":"Amṛta","start":"15:36","end":"17:18","startHours":15.60099866392515,"endHours":17.299289633927025,"quality":"auspicious"},{"name":"Kāla","start":"17:18","end":"19:00","startHours":17.299289633927025,"endHours":18.9975806039289,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:00","end":"20:18","startHours":18.9975806039289,"endHours":20.299289633927025,"quality":"auspicious"},{"name":"Amṛta","start":"20:18","end":"21:36","startHours":20.299289633927025,"endHours":21.60099866392515,"quality":"auspicious"},{"name":"Kāla","start":"21:36","end":"22:54","startHours":21.60099866392515,"endHours":22.902707693923276,"quality":"inauspicious"},{"name":"Śubha","start":"22:54","end":"00:12","startHours":22.902707693923276,"endHours":24.204416723921398,"quality":"auspicious"},{"name":"Roga","start":"00:12","end":"01:30","startHours":24.204416723921398,"endHours":25.506125753919527,"quality":"inauspicious"},{"name":"Udveg","start":"01:30","end":"02:48","startHours":25.506125753919527,"endHours":26.80783478391765,"quality":"inauspicious"},{"name":"Chala","start":"02:48","end":"04:07","startHours":26.80783478391765,"endHours":28.109543813915774,"quality":"neutral"},{"name":"Labha","start":"04:07","end":"05:25","startHours":28.109543813915774,"endHours":29.4112528439139,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:25","end":"06:25","startHours":5.4112528439139,"endHours":6.4112528439139,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:25","end":"07:25","startHours":6.4112528439139,"endHours":7.4112528439139,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:25","end":"08:25","startHours":7.4112528439139,"endHours":8.4112528439139,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:25","end":"09:25","startHours":8.4112528439139,"endHours":9.4112528439139,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:25","end":"10:25","startHours":9.4112528439139,"endHours":10.4112528439139,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:25","end":"11:25","startHours":10.4112528439139,"endHours":11.4112528439139,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:25","end":"12:25","startHours":11.4112528439139,"endHours":12.4112528439139,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:25","end":"13:25","startHours":12.4112528439139,"endHours":13.4112528439139,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:25","end":"14:25","startHours":13.4112528439139,"endHours":14.4112528439139,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:25","end":"15:25","startHours":14.4112528439139,"endHours":15.4112528439139,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:25","end":"16:25","startHours":15.4112528439139,"endHours":16.4112528439139,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:25","end":"17:25","startHours":16.4112528439139,"endHours":17.4112528439139,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:25","end":"18:25","startHours":17.4112528439139,"endHours":18.4112528439139,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:25","end":"19:25","startHours":18.4112528439139,"endHours":19.4112528439139,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:25","end":"20:25","startHours":19.4112528439139,"endHours":20.4112528439139,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:25","end":"21:25","startHours":20.4112528439139,"endHours":21.4112528439139,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:25","end":"22:25","startHours":21.4112528439139,"endHours":22.4112528439139,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:25","end":"23:25","startHours":22.4112528439139,"endHours":23.4112528439139,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:25","end":"00:25","startHours":23.4112528439139,"endHours":24.4112528439139,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:25","end":"01:25","startHours":24.4112528439139,"endHours":25.4112528439139,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:25","end":"02:25","startHours":25.4112528439139,"endHours":26.4112528439139,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:25","end":"03:25","startHours":26.4112528439139,"endHours":27.4112528439139,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:25","end":"04:25","startHours":27.4112528439139,"endHours":28.4112528439139,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:25","end":"05:25","startHours":28.4112528439139,"endHours":29.4112528439139,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.452788103844373,"eotMinutes":-6.049803435283957,"ayanamsa":26.2355}},"calendars":{"vikram_samvat":2227,"vikram_samvatsara":"Subhānu","saka_samvat":2092,"saka_samvatsara":"Pramoda","bengali_samvat":1577,"malayalam_era":1346,"nanakshahi_year":701,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","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":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Aṣṭamī · Vikram 2227 Subhānu · Śaka 2092 Pramoda"},"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":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"lucknow"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 21, 2170 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"July 21, 2170 CE for Lucknow, Uttar Pradesh: Śukla Aṣṭamī, sūryodaya 05:25, sūryāsta 19:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/2170-07-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/2170-07-21","sa":"https://sa.vidhyamitra.com/city/lucknow/2170-07-21","hi":"https://hi.vidhyamitra.com/city/lucknow/2170-07-21","x-default":"https://vidhyamitra.com/city/lucknow/2170-07-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T07:11:31.899Z","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":"2026-06-03T07:11:31.899Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T07:11:31.899Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}