{"id":"vidhyamitra:city-day:noida:1990-02-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/noida/1990-02-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-02-06","date_display":"February 6, 1990 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":1990,"month":2,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447928.770833,"kali_year":5091,"ahargana":1859463.2708,"sun":{"sidereal_longitude":293.3403,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":66.8103,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":133.4701,"elapsed_within_tithi_degrees":1.4701},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":66.8103,"elapsed_within_degrees":0.1437},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":0.1506},"karana":{"half_tithi_index":22,"name":"Bava"},"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":1990,"month":2,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447928.770833,"ahargana":1859463.2708,"kali_year":5091,"ayanamsa_lahiri":23.7147,"grahas":{"sun":{"sidereal_longitude":293.26807699999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":66.023077,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":3.4395},"mars":{"sidereal_longitude":251.80597699999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":268.72107700000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":67.83047699999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":267.28077699999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":265.83657700000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":296.6875,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":116.6875,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1990,"month":2,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447928.770833,"kali_year":5091,"ahargana":1859463.2708,"sun":{"sidereal_longitude":293.3403,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":66.8103,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":133.4701,"elapsed_within_tithi_degrees":1.4701},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":66.8103,"elapsed_within_degrees":0.1437},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":0.1506},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.44,"elongation":133.47},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.44,"opposition_distance":46.53}},"eclipse_window_40days":[{"offset_days":-10,"type":"solar","occurs":true,"moon_latitude":-0.956,"elongation":1.82}]},"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":"07:06","sunsetLocal":"18:03","solarNoonLocal":"12:35","dayLengthHours":10.957026299616748,"dayLengthDisplay":"10 Hours 57 Mins 25 Secs","nightLengthDisplay":"13 Hours 02 Mins 35 Secs","moonriseLocal":"14:28","moonsetLocal":"04:23","rahuKala":{"name":"Rāhu Kāla","start":"15:19","end":"16:41","startHours":15.318112126862141,"endHours":16.687740414314234,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:50","end":"11:13","startHours":9.839598977053768,"endHours":11.209227264505861,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:35","end":"13:57","startHours":12.578855551957954,"endHours":13.948483839410049,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:01","startHours":9.656981872060156,"endHours":10.02221608204738,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:51","startHours":7.556885164633612,"endHours":7.849072532623392,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:13","end":"12:57","startHours":12.213621341970729,"endHours":12.944089761945179,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:38","end":"06:22","startHours":5.639405562200681,"endHours":6.369873982175131,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:11","end":"07:06","startHours":6.187256877181518,"endHours":7.100342402149581,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:08","startHours":14.405026601894079,"endHours":15.135495021868529,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:51","end":"18:15","startHours":17.85736870176633,"endHours":18.257368701766328,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:03","end":"18:31","startHours":18.05736870176633,"endHours":18.51391146425036,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:48","end":"19:33","startHours":17.80736870176633,"endHours":19.55736870176633,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:13","end":"00:57","startHours":24.21362134197073,"endHours":24.94408976194518,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:06","end":"08:28","startHours":7.100342402149581,"endHours":8.469970689601674,"quality":"inauspicious"},{"name":"Udveg","start":"08:28","end":"09:50","startHours":8.469970689601674,"endHours":9.839598977053768,"quality":"inauspicious"},{"name":"Chala","start":"09:50","end":"11:13","startHours":9.839598977053768,"endHours":11.209227264505861,"quality":"neutral"},{"name":"Labha","start":"11:13","end":"12:35","startHours":11.209227264505861,"endHours":12.578855551957954,"quality":"auspicious"},{"name":"Amṛta","start":"12:35","end":"13:57","startHours":12.578855551957954,"endHours":13.948483839410049,"quality":"auspicious"},{"name":"Kāla","start":"13:57","end":"15:19","startHours":13.948483839410049,"endHours":15.318112126862141,"quality":"inauspicious"},{"name":"Śubha","start":"15:19","end":"16:41","startHours":15.318112126862141,"endHours":16.687740414314234,"quality":"auspicious"},{"name":"Roga","start":"16:41","end":"18:03","startHours":16.687740414314234,"endHours":18.05736870176633,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:03","end":"19:41","startHours":18.05736870176633,"endHours":19.687740414314234,"quality":"inauspicious"},{"name":"Śubha","start":"19:41","end":"21:19","startHours":19.687740414314234,"endHours":21.318112126862143,"quality":"auspicious"},{"name":"Roga","start":"21:19","end":"22:57","startHours":21.318112126862143,"endHours":22.94848383941005,"quality":"inauspicious"},{"name":"Udveg","start":"22:57","end":"00:35","startHours":22.94848383941005,"endHours":24.578855551957954,"quality":"inauspicious"},{"name":"Chala","start":"00:35","end":"02:13","startHours":24.578855551957954,"endHours":26.209227264505863,"quality":"neutral"},{"name":"Labha","start":"02:13","end":"03:50","startHours":26.209227264505863,"endHours":27.839598977053768,"quality":"auspicious"},{"name":"Amṛta","start":"03:50","end":"05:28","startHours":27.839598977053768,"endHours":29.469970689601674,"quality":"auspicious"},{"name":"Kāla","start":"05:28","end":"07:06","startHours":29.469970689601674,"endHours":31.10034240214958,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:06","end":"08:06","startHours":7.100342402149581,"endHours":8.10034240214958,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:06","end":"09:06","startHours":8.10034240214958,"endHours":9.10034240214958,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:06","end":"10:06","startHours":9.10034240214958,"endHours":10.10034240214958,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:06","end":"11:06","startHours":10.10034240214958,"endHours":11.10034240214958,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:06","end":"12:06","startHours":11.10034240214958,"endHours":12.10034240214958,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:06","end":"13:06","startHours":12.10034240214958,"endHours":13.10034240214958,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:06","end":"14:06","startHours":13.10034240214958,"endHours":14.10034240214958,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:06","end":"15:06","startHours":14.10034240214958,"endHours":15.10034240214958,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:06","end":"16:06","startHours":15.10034240214958,"endHours":16.10034240214958,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:06","end":"17:06","startHours":16.10034240214958,"endHours":17.10034240214958,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:06","end":"18:06","startHours":17.10034240214958,"endHours":18.10034240214958,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:06","end":"19:06","startHours":18.10034240214958,"endHours":19.10034240214958,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:06","end":"20:06","startHours":19.10034240214958,"endHours":20.10034240214958,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:06","end":"21:06","startHours":20.10034240214958,"endHours":21.10034240214958,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:06","end":"22:06","startHours":21.10034240214958,"endHours":22.10034240214958,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:06","end":"23:06","startHours":22.10034240214958,"endHours":23.10034240214958,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:06","end":"00:06","startHours":23.10034240214958,"endHours":24.10034240214958,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:06","end":"01:06","startHours":24.10034240214958,"endHours":25.10034240214958,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:06","end":"02:06","startHours":25.10034240214958,"endHours":26.10034240214958,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:06","end":"03:06","startHours":26.10034240214958,"endHours":27.10034240214958,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:06","end":"04:06","startHours":27.10034240214958,"endHours":28.10034240214958,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:06","end":"05:06","startHours":28.10034240214958,"endHours":29.10034240214958,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:06","end":"06:06","startHours":29.10034240214958,"endHours":30.10034240214958,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:06","end":"07:06","startHours":30.10034240214958,"endHours":31.10034240214958,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Padma","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":-15.744038848666474,"eotMinutes":-14.295333117477217,"ayanamsa":23.7147}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"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 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[],"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":"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 6, 1990 CE · Noida, Uttar Pradesh · Vidhyamitra","description":"February 6, 1990 CE for Noida, Uttar Pradesh: Śukla Dvādaśī, sūryodaya 07:06, sūryāsta 18:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/noida/1990-02-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/noida/1990-02-06","sa":"https://sa.vidhyamitra.com/city/noida/1990-02-06","hi":"https://hi.vidhyamitra.com/city/noida/1990-02-06","x-default":"https://vidhyamitra.com/city/noida/1990-02-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T17:06:51.507Z","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":"2026-06-02T17:06:51.507Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T17:06:51.507Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}