{"id":"vidhyamitra:city-day:lucknow:2026-07-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/2026-07-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-07-21","date_display":"July 21, 2026 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":2026,"month":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461242.770833,"kali_year":5128,"ahargana":1872777.2708,"sun":{"sidereal_longitude":93.5736,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":176.8993,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":83.3258,"elapsed_within_tithi_degrees":11.3258},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":176.8993,"elapsed_within_degrees":3.566},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.4729},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2026,"month":7,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461242.770833,"ahargana":1872777.2708,"kali_year":5128,"ayanamsa_lahiri":24.2239,"grahas":{"sun":{"sidereal_longitude":94.10368399999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"moon":{"sidereal_longitude":179.19318399999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false,"latitude":-3.2163},"mars":{"sidereal_longitude":51.013983999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":81.95478400000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":100.11558400000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"venus":{"sidereal_longitude":137.828984,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":350.549484,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":311.2478,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":131.2478,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2026,"month":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461242.770833,"kali_year":5128,"ahargana":1872777.2708,"sun":{"sidereal_longitude":93.5736,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":176.8993,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":83.3258,"elapsed_within_tithi_degrees":11.3258},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":176.8993,"elapsed_within_degrees":3.566},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.4729},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.216,"elongation":83.326},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.216,"opposition_distance":96.674}},"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":13.589575302372094,"dayLengthDisplay":"13 Hours 35 Mins 22 Secs","nightLengthDisplay":"10 Hours 24 Mins 38 Secs","moonriseLocal":"12:09","moonsetLocal":"23:37","rahuKala":{"name":"Rāhu Kāla","start":"15:36","end":"17:18","startHours":15.601810549514422,"endHours":17.300507462310932,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:48","end":"10:30","startHours":8.807022898328375,"endHours":10.505719811124887,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:12","end":"13:54","startHours":12.204416723921398,"endHours":13.903113636717912,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:35","end":"09:02","startHours":8.580529976622174,"endHours":9.033515820034577,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:59","end":"06:20","startHours":5.9758613770008555,"endHours":6.338250051730778,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:45","end":"12:39","startHours":11.751430880508996,"endHours":12.657402567333802,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:36","end":"04:30","startHours":3.5976856990857393,"endHours":4.503657385910546,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:17","end":"05:25","startHours":4.277164464204344,"endHours":5.409629072735352,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:23","startHours":14.469345940983413,"endHours":15.375317627808219,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:48","end":"19:12","startHours":18.799204375107447,"endHours":19.199204375107445,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:00","end":"19:34","startHours":18.999204375107446,"endHours":19.56543667937295,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:45","end":"20:30","startHours":18.749204375107446,"endHours":20.499204375107446,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:45","end":"00:39","startHours":23.751430880508995,"endHours":24.6574025673338,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:25","end":"07:06","startHours":5.409629072735352,"endHours":7.108325985531863,"quality":"inauspicious"},{"name":"Udveg","start":"07:06","end":"08:48","startHours":7.108325985531863,"endHours":8.807022898328375,"quality":"inauspicious"},{"name":"Chala","start":"08:48","end":"10:30","startHours":8.807022898328375,"endHours":10.505719811124887,"quality":"neutral"},{"name":"Labha","start":"10:30","end":"12:12","startHours":10.505719811124887,"endHours":12.204416723921398,"quality":"auspicious"},{"name":"Amṛta","start":"12:12","end":"13:54","startHours":12.204416723921398,"endHours":13.903113636717912,"quality":"auspicious"},{"name":"Kāla","start":"13:54","end":"15:36","startHours":13.903113636717912,"endHours":15.601810549514422,"quality":"inauspicious"},{"name":"Śubha","start":"15:36","end":"17:18","startHours":15.601810549514422,"endHours":17.300507462310932,"quality":"auspicious"},{"name":"Roga","start":"17:18","end":"19:00","startHours":17.300507462310932,"endHours":18.999204375107446,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:00","end":"20:18","startHours":18.999204375107446,"endHours":20.300507462310936,"quality":"inauspicious"},{"name":"Śubha","start":"20:18","end":"21:36","startHours":20.300507462310936,"endHours":21.601810549514422,"quality":"auspicious"},{"name":"Roga","start":"21:36","end":"22:54","startHours":21.601810549514422,"endHours":22.90311363671791,"quality":"inauspicious"},{"name":"Udveg","start":"22:54","end":"00:12","startHours":22.90311363671791,"endHours":24.204416723921398,"quality":"inauspicious"},{"name":"Chala","start":"00:12","end":"01:30","startHours":24.204416723921398,"endHours":25.505719811124887,"quality":"neutral"},{"name":"Labha","start":"01:30","end":"02:48","startHours":25.505719811124887,"endHours":26.807022898328377,"quality":"auspicious"},{"name":"Amṛta","start":"02:48","end":"04:06","startHours":26.807022898328377,"endHours":28.108325985531863,"quality":"auspicious"},{"name":"Kāla","start":"04:06","end":"05:25","startHours":28.108325985531863,"endHours":29.409629072735353,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:25","end":"06:25","startHours":5.409629072735352,"endHours":6.409629072735352,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:25","end":"07:25","startHours":6.409629072735352,"endHours":7.409629072735352,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:25","end":"08:25","startHours":7.409629072735352,"endHours":8.409629072735353,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:25","end":"09:25","startHours":8.409629072735353,"endHours":9.409629072735353,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:25","end":"10:25","startHours":9.409629072735353,"endHours":10.409629072735353,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:25","end":"11:25","startHours":10.409629072735353,"endHours":11.409629072735353,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:25","end":"12:25","startHours":11.409629072735353,"endHours":12.409629072735353,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:25","end":"13:25","startHours":12.409629072735353,"endHours":13.409629072735353,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:25","end":"14:25","startHours":13.409629072735353,"endHours":14.409629072735353,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:25","end":"15:25","startHours":14.409629072735353,"endHours":15.409629072735353,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:25","end":"16:25","startHours":15.409629072735353,"endHours":16.409629072735353,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:25","end":"17:25","startHours":16.409629072735353,"endHours":17.409629072735353,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:25","end":"18:25","startHours":17.409629072735353,"endHours":18.409629072735353,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:25","end":"19:25","startHours":18.409629072735353,"endHours":19.409629072735353,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:25","end":"20:25","startHours":19.409629072735353,"endHours":20.409629072735353,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:25","end":"21:25","startHours":20.409629072735353,"endHours":21.409629072735353,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:25","end":"22:25","startHours":21.409629072735353,"endHours":22.409629072735353,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:25","end":"23:25","startHours":22.409629072735353,"endHours":23.409629072735353,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:25","end":"00:25","startHours":23.409629072735353,"endHours":24.409629072735353,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:25","end":"01:25","startHours":24.409629072735353,"endHours":25.409629072735353,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:25","end":"02:25","startHours":25.409629072735353,"endHours":26.409629072735353,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:25","end":"03:25","startHours":26.409629072735353,"endHours":27.409629072735353,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:25","end":"04:25","startHours":27.409629072735353,"endHours":28.409629072735353,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:25","end":"05:25","startHours":28.409629072735353,"endHours":29.409629072735353,"planetary_lord":"Saturn"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"drikRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":20.49365221023443,"eotMinutes":-6.049803435283957,"ayanamsa":24.2239}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Saptamī · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"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, 2026 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"July 21, 2026 CE for Lucknow, Uttar Pradesh: Śukla Saptamī, sūryodaya 05:25, sūryāsta 19:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/2026-07-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/2026-07-21","sa":"https://sa.vidhyamitra.com/city/lucknow/2026-07-21","hi":"https://hi.vidhyamitra.com/city/lucknow/2026-07-21","x-default":"https://vidhyamitra.com/city/lucknow/2026-07-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T21:20:07.288Z","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":"2026-05-14T21:20:07.288Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T21:20:07.288Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}