{"id":"vidhyamitra:city-day:noida:2091-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/noida/2091-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-02-01","date_display":"February 1, 2091 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":2091,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484813.770833,"kali_year":5192,"ahargana":1896348.2708,"sun":{"sidereal_longitude":287.0775,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":66.3178,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":139.2402,"elapsed_within_tithi_degrees":7.2402},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":66.3178,"elapsed_within_degrees":12.9844},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.3953},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2091,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484813.770833,"ahargana":1896348.2708,"kali_year":5192,"ayanamsa_lahiri":25.1254,"grahas":{"sun":{"sidereal_longitude":287.279899,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":66.26399900000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":-4.3665},"mars":{"sidereal_longitude":149.212199,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":282.740499,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":254.238699,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":244.045299,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":52.878399,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":142.3427,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":322.3427,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":2091,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484813.770833,"kali_year":5192,"ahargana":1896348.2708,"sun":{"sidereal_longitude":287.0775,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":66.3178,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":139.2402,"elapsed_within_tithi_degrees":7.2402},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":66.3178,"elapsed_within_degrees":12.9844},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.3953},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.367,"elongation":139.24},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.367,"opposition_distance":40.76}},"eclipse_window_40days":[]},"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"07:09","sunsetLocal":"18:00","solarNoonLocal":"12:34","dayLengthHours":10.851693784818142,"dayLengthDisplay":"10 Hours 51 Mins 06 Secs","nightLengthDisplay":"13 Hours 08 Mins 54 Secs","moonriseLocal":"14:53","moonsetLocal":"04:48","rahuKala":{"name":"Rāhu Kāla","start":"13:56","end":"15:17","startHours":13.925217525058862,"endHours":15.28167924816113,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:09","end":"08:30","startHours":7.142908909547523,"endHours":8.499370632649791,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:51","end":"11:13","startHours":9.855832355752058,"endHours":11.212294078854327,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:02","startHours":9.674970792671756,"endHours":10.036693918832361,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:36","end":"07:53","startHours":7.595062817248278,"endHours":7.884441318176762,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:12","end":"12:56","startHours":12.207032675795988,"endHours":12.930478928117198,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:42","end":"06:25","startHours":5.696016404905103,"endHours":6.419462657226314,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:14","end":"07:09","startHours":6.238601094146011,"endHours":7.142908909547523,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:06","startHours":14.377371432759617,"endHours":15.100817685080827,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:48","end":"18:12","startHours":17.794602694365665,"endHours":18.194602694365663,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:00","end":"18:27","startHours":17.994602694365664,"endHours":18.44675660206642,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:45","end":"19:30","startHours":17.744602694365664,"endHours":19.494602694365664,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:12","end":"00:56","startHours":24.207032675795986,"endHours":24.930478928117196,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:09","end":"08:30","startHours":7.142908909547523,"endHours":8.499370632649791,"quality":"auspicious"},{"name":"Roga","start":"08:30","end":"09:51","startHours":8.499370632649791,"endHours":9.855832355752058,"quality":"inauspicious"},{"name":"Udveg","start":"09:51","end":"11:13","startHours":9.855832355752058,"endHours":11.212294078854327,"quality":"inauspicious"},{"name":"Chala","start":"11:13","end":"12:34","startHours":11.212294078854327,"endHours":12.568755801956595,"quality":"neutral"},{"name":"Labha","start":"12:34","end":"13:56","startHours":12.568755801956595,"endHours":13.925217525058862,"quality":"auspicious"},{"name":"Amṛta","start":"13:56","end":"15:17","startHours":13.925217525058862,"endHours":15.28167924816113,"quality":"auspicious"},{"name":"Kāla","start":"15:17","end":"16:38","startHours":15.28167924816113,"endHours":16.638140971263397,"quality":"inauspicious"},{"name":"Śubha","start":"16:38","end":"18:00","startHours":16.638140971263397,"endHours":17.994602694365664,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:00","end":"19:38","startHours":17.994602694365664,"endHours":19.638140971263397,"quality":"auspicious"},{"name":"Kāla","start":"19:38","end":"21:17","startHours":19.638140971263397,"endHours":21.28167924816113,"quality":"inauspicious"},{"name":"Śubha","start":"21:17","end":"22:56","startHours":21.28167924816113,"endHours":22.925217525058862,"quality":"auspicious"},{"name":"Roga","start":"22:56","end":"00:34","startHours":22.925217525058862,"endHours":24.56875580195659,"quality":"inauspicious"},{"name":"Udveg","start":"00:34","end":"02:13","startHours":24.56875580195659,"endHours":26.212294078854327,"quality":"inauspicious"},{"name":"Chala","start":"02:13","end":"03:51","startHours":26.212294078854327,"endHours":27.855832355752057,"quality":"neutral"},{"name":"Labha","start":"03:51","end":"05:30","startHours":27.855832355752057,"endHours":29.49937063264979,"quality":"auspicious"},{"name":"Amṛta","start":"05:30","end":"07:09","startHours":29.49937063264979,"endHours":31.142908909547522,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:09","end":"08:09","startHours":7.142908909547523,"endHours":8.142908909547522,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:09","end":"09:09","startHours":8.142908909547522,"endHours":9.142908909547522,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:09","end":"10:09","startHours":9.142908909547522,"endHours":10.142908909547522,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:09","end":"11:09","startHours":10.142908909547522,"endHours":11.142908909547522,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:09","end":"12:09","startHours":11.142908909547522,"endHours":12.142908909547522,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:09","end":"13:09","startHours":12.142908909547522,"endHours":13.142908909547522,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:09","end":"14:09","startHours":13.142908909547522,"endHours":14.142908909547522,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:09","end":"15:09","startHours":14.142908909547522,"endHours":15.142908909547522,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:09","end":"16:09","startHours":15.142908909547522,"endHours":16.142908909547522,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:09","end":"17:09","startHours":16.142908909547522,"endHours":17.142908909547522,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:09","end":"18:09","startHours":17.142908909547522,"endHours":18.142908909547522,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:09","end":"19:09","startHours":18.142908909547522,"endHours":19.142908909547522,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:09","end":"20:09","startHours":19.142908909547522,"endHours":20.142908909547522,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:09","end":"21:09","startHours":20.142908909547522,"endHours":21.142908909547522,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:09","end":"22:09","startHours":21.142908909547522,"endHours":22.142908909547522,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:09","end":"23:09","startHours":22.142908909547522,"endHours":23.142908909547522,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:09","end":"00:09","startHours":23.142908909547522,"endHours":24.142908909547522,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:09","end":"01:09","startHours":24.142908909547522,"endHours":25.142908909547522,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:09","end":"02:09","startHours":25.142908909547522,"endHours":26.142908909547522,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:09","end":"03:09","startHours":26.142908909547522,"endHours":27.142908909547522,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:09","end":"04:09","startHours":27.142908909547522,"endHours":28.142908909547522,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:09","end":"05:09","startHours":28.142908909547522,"endHours":29.142908909547522,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:09","end":"06:09","startHours":29.142908909547522,"endHours":30.142908909547522,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:09","end":"07:09","startHours":30.142908909547522,"endHours":31.142908909547522,"planetary_lord":"Moon"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.078572398180377,"eotMinutes":-13.689348117395623,"ayanamsa":25.1254}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"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 Dvādaśī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"noida"},"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, 2091 CE · Noida, Uttar Pradesh · Vidhyamitra","description":"February 1, 2091 CE for Noida, Uttar Pradesh: Śukla Dvādaśī, sūryodaya 07:09, sūryāsta 18:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/noida/2091-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/noida/2091-02-01","sa":"https://sa.vidhyamitra.com/city/noida/2091-02-01","hi":"https://hi.vidhyamitra.com/city/noida/2091-02-01","x-default":"https://vidhyamitra.com/city/noida/2091-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:30:30.920Z","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":"2026-05-31T06:30:30.920Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:30:30.920Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}