{"id":"vidhyamitra:city-day:lucknow:2172-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/2172-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2172-02-01","date_display":"February 1, 2172 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":2172,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514397.770833,"kali_year":5273,"ahargana":1925932.2708,"sun":{"sidereal_longitude":285.074,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":5.1576,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":80.0836,"elapsed_within_tithi_degrees":8.0836},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":5.1576,"elapsed_within_degrees":5.1576},"yoga":{"number":22,"name":"Sādhya","sum_longitude":290.2316},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"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":2172,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514397.770833,"ahargana":1925932.2708,"kali_year":5273,"ayanamsa_lahiri":26.2569,"grahas":{"sun":{"sidereal_longitude":285.47957199999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":6.087872000000004,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":-0.7561},"mars":{"sidereal_longitude":178.426872,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":301.431372,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":199.06707200000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":329.65667200000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":318.73107200000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":14.8401,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":194.8401,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":2172,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514397.770833,"kali_year":5273,"ahargana":1925932.2708,"sun":{"sidereal_longitude":285.074,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":5.1576,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":80.0836,"elapsed_within_tithi_degrees":8.0836},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":5.1576,"elapsed_within_degrees":5.1576},"yoga":{"number":22,"name":"Sādhya","sum_longitude":290.2316},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.756,"elongation":80.084},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.756,"opposition_distance":99.916}},"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":"06:52","sunsetLocal":"17:48","solarNoonLocal":"12:20","dayLengthHours":10.925023325516165,"dayLengthDisplay":"10 Hours 55 Mins 30 Secs","nightLengthDisplay":"13 Hours 04 Mins 30 Secs","moonriseLocal":"11:14","moonsetLocal":"00:10","rahuKala":{"name":"Rāhu Kāla","start":"09:36","end":"10:58","startHours":9.60048663724422,"endHours":10.966114552933739,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:42","end":"15:04","startHours":13.69737038431278,"endHours":15.062998300002302,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:52","end":"08:14","startHours":6.869230805865178,"endHours":8.234858721554698,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:47","startHours":9.418402915152283,"endHours":9.782570359336155,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:19","end":"07:37","startHours":7.324440111095019,"endHours":7.615774066442116,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:42","startHours":11.96757502443939,"endHours":12.695909912807133,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:25","end":"06:08","startHours":5.412561029129689,"endHours":6.140895917497434,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:52","startHours":5.958812195405498,"endHours":6.869230805865178,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:53","startHours":14.15257968954262,"endHours":14.880914577910364,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:36","end":"18:00","startHours":17.594254131381344,"endHours":17.994254131381343,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:48","end":"18:15","startHours":17.794254131381344,"endHours":18.249463436611183,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:33","end":"19:18","startHours":17.544254131381344,"endHours":19.294254131381344,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:42","startHours":23.967575024439387,"endHours":24.695909912807135,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:52","end":"08:14","startHours":6.869230805865178,"endHours":8.234858721554698,"quality":"inauspicious"},{"name":"Śubha","start":"08:14","end":"09:36","startHours":8.234858721554698,"endHours":9.60048663724422,"quality":"auspicious"},{"name":"Roga","start":"09:36","end":"10:58","startHours":9.60048663724422,"endHours":10.966114552933739,"quality":"inauspicious"},{"name":"Udveg","start":"10:58","end":"12:20","startHours":10.966114552933739,"endHours":12.331742468623261,"quality":"inauspicious"},{"name":"Chala","start":"12:20","end":"13:42","startHours":12.331742468623261,"endHours":13.69737038431278,"quality":"neutral"},{"name":"Labha","start":"13:42","end":"15:04","startHours":13.69737038431278,"endHours":15.062998300002302,"quality":"auspicious"},{"name":"Amṛta","start":"15:04","end":"16:26","startHours":15.062998300002302,"endHours":16.42862621569182,"quality":"auspicious"},{"name":"Kāla","start":"16:26","end":"17:48","startHours":16.42862621569182,"endHours":17.794254131381344,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:48","end":"19:26","startHours":17.794254131381344,"endHours":19.42862621569182,"quality":"auspicious"},{"name":"Amṛta","start":"19:26","end":"21:04","startHours":19.42862621569182,"endHours":21.062998300002302,"quality":"auspicious"},{"name":"Kāla","start":"21:04","end":"22:42","startHours":21.062998300002302,"endHours":22.697370384312784,"quality":"inauspicious"},{"name":"Śubha","start":"22:42","end":"00:20","startHours":22.697370384312784,"endHours":24.33174246862326,"quality":"auspicious"},{"name":"Roga","start":"00:20","end":"01:58","startHours":24.33174246862326,"endHours":25.96611455293374,"quality":"inauspicious"},{"name":"Udveg","start":"01:58","end":"03:36","startHours":25.96611455293374,"endHours":27.60048663724422,"quality":"inauspicious"},{"name":"Chala","start":"03:36","end":"05:14","startHours":27.60048663724422,"endHours":29.2348587215547,"quality":"neutral"},{"name":"Labha","start":"05:14","end":"06:52","startHours":29.2348587215547,"endHours":30.86923080586518,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:52","end":"07:52","startHours":6.869230805865178,"endHours":7.869230805865178,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:52","end":"08:52","startHours":7.869230805865178,"endHours":8.869230805865179,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:52","end":"09:52","startHours":8.869230805865179,"endHours":9.869230805865179,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:52","end":"10:52","startHours":9.869230805865179,"endHours":10.869230805865179,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:52","end":"11:52","startHours":10.869230805865179,"endHours":11.869230805865179,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:52","end":"12:52","startHours":11.869230805865179,"endHours":12.869230805865179,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:52","end":"13:52","startHours":12.869230805865179,"endHours":13.869230805865179,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:52","end":"14:52","startHours":13.869230805865179,"endHours":14.869230805865179,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:52","end":"15:52","startHours":14.869230805865179,"endHours":15.869230805865179,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:52","end":"16:52","startHours":15.869230805865179,"endHours":16.86923080586518,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:52","end":"17:52","startHours":16.86923080586518,"endHours":17.86923080586518,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:52","end":"18:52","startHours":17.86923080586518,"endHours":18.86923080586518,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:52","end":"19:52","startHours":18.86923080586518,"endHours":19.86923080586518,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:52","end":"20:52","startHours":19.86923080586518,"endHours":20.86923080586518,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:52","end":"21:52","startHours":20.86923080586518,"endHours":21.86923080586518,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:52","end":"22:52","startHours":21.86923080586518,"endHours":22.86923080586518,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:52","end":"23:52","startHours":22.86923080586518,"endHours":23.86923080586518,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:52","end":"00:52","startHours":23.86923080586518,"endHours":24.86923080586518,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:52","end":"01:52","startHours":24.86923080586518,"endHours":25.86923080586518,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:52","end":"02:52","startHours":25.86923080586518,"endHours":26.86923080586518,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:52","end":"03:52","startHours":26.86923080586518,"endHours":27.86923080586518,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:52","end":"04:52","startHours":27.86923080586518,"endHours":28.86923080586518,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:52","end":"05:52","startHours":28.86923080586518,"endHours":29.86923080586518,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:52","end":"06:52","startHours":29.86923080586518,"endHours":30.86923080586518,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.265130244308505,"eotMinutes":-13.689348117395623,"ayanamsa":26.2569}},"calendars":{"vikram_samvat":2229,"vikram_samvatsara":"Pārthiva","saka_samvat":2094,"saka_samvatsara":"Aṅgirasa","bengali_samvat":1579,"malayalam_era":1348,"nanakshahi_year":703,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Saptamī · Vikram 2229 Pārthiva · Śaka 2094 Aṅgirasa"},"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":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 February 1, 2172 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"February 1, 2172 CE for Lucknow, Uttar Pradesh: Śukla Saptamī, sūryodaya 06:52, sūryāsta 17:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/2172-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/2172-02-01","sa":"https://sa.vidhyamitra.com/city/lucknow/2172-02-01","hi":"https://hi.vidhyamitra.com/city/lucknow/2172-02-01","x-default":"https://vidhyamitra.com/city/lucknow/2172-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T11:15:14.315Z","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":"2026-06-03T11:15:14.315Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T11:15:14.315Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}