{"id":"vidhyamitra:city-day:amarnath:1990-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/amarnath/1990-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-02-01","date_display":"February 1, 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":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447923.770833,"kali_year":5091,"ahargana":1859458.2708,"sun":{"sidereal_longitude":288.2369,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":354.7533,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":66.5164,"elapsed_within_tithi_degrees":6.5164},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":354.7533,"elapsed_within_degrees":8.0866},"yoga":{"number":22,"name":"Sādhya","sum_longitude":282.9901},"karana":{"half_tithi_index":11,"name":"Taitila"},"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":1990,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447923.770833,"ahargana":1859458.2708,"kali_year":5091,"ayanamsa_lahiri":23.7145,"grahas":{"sun":{"sidereal_longitude":288.196768,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":355.330368,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":3.8068},"mars":{"sidereal_longitude":248.192268,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":263.132468,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":68.17956800000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":268.27766799999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":265.28086800000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":296.9525,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":116.9525,"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":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447923.770833,"kali_year":5091,"ahargana":1859458.2708,"sun":{"sidereal_longitude":288.2369,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":354.7533,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":66.5164,"elapsed_within_tithi_degrees":6.5164},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":354.7533,"elapsed_within_degrees":8.0866},"yoga":{"number":22,"name":"Sādhya","sum_longitude":282.9901},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.807,"elongation":66.516},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.807,"opposition_distance":113.484}},"eclipse_window_40days":[{"offset_days":-5,"type":"solar","occurs":true,"moon_latitude":-0.956,"elongation":1.82}]},"city":{"slug":"amarnath","name":"Amarnāth","lat":34.2167,"lon":75.5,"tz_offset_hours":5.5,"state":"J&K","country":"IN","tier":"tirtha","elevation_m":3888},"tier2":{"city":{"slug":"amarnath","name":"Amarnāth","lat":34.2167,"lon":75.5,"tz_offset_hours":5.5,"state":"J&K","country":"IN","tier":"tirtha","elevation_m":3888},"sunriseLocal":"07:26","sunsetLocal":"17:57","solarNoonLocal":"12:42","dayLengthHours":10.521626497859408,"dayLengthDisplay":"10 Hours 31 Mins 18 Secs","nightLengthDisplay":"13 Hours 28 Mins 42 Secs","moonriseLocal":"10:47","moonsetLocal":"23:34","rahuKala":{"name":"Rāhu Kāla","start":"14:01","end":"15:20","startHours":14.010025780855688,"endHours":15.325229093088115,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:26","end":"08:45","startHours":7.434009219693558,"endHours":8.749212531925984,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:04","end":"11:23","startHours":10.064415844158411,"endHours":11.379619156390836,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:53","end":"10:14","startHours":9.88905540252742,"endHours":10.2397762857894,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:52","end":"08:09","startHours":7.8724103237710334,"endHours":8.152987030380618,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:03","startHours":12.344101585361281,"endHours":13.045543351885241,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:02","end":"06:44","startHours":6.0311256866456375,"endHours":6.732567453169597,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:33","end":"07:26","startHours":6.557207011538607,"endHours":7.434009219693558,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:09","startHours":14.448426884933163,"endHours":15.149868651457123,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:45","end":"18:09","startHours":17.755635717552966,"endHours":18.155635717552965,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:57","end":"18:24","startHours":17.955635717552966,"endHours":18.39403682163044,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:42","end":"19:27","startHours":17.705635717552966,"endHours":19.455635717552966,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:03","startHours":24.34410158536128,"endHours":25.045543351885243,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:26","end":"08:45","startHours":7.434009219693558,"endHours":8.749212531925984,"quality":"auspicious"},{"name":"Roga","start":"08:45","end":"10:04","startHours":8.749212531925984,"endHours":10.064415844158411,"quality":"inauspicious"},{"name":"Udveg","start":"10:04","end":"11:23","startHours":10.064415844158411,"endHours":11.379619156390836,"quality":"inauspicious"},{"name":"Chala","start":"11:23","end":"12:42","startHours":11.379619156390836,"endHours":12.694822468623261,"quality":"neutral"},{"name":"Labha","start":"12:42","end":"14:01","startHours":12.694822468623261,"endHours":14.010025780855688,"quality":"auspicious"},{"name":"Amṛta","start":"14:01","end":"15:20","startHours":14.010025780855688,"endHours":15.325229093088115,"quality":"auspicious"},{"name":"Kāla","start":"15:20","end":"16:38","startHours":15.325229093088115,"endHours":16.64043240532054,"quality":"inauspicious"},{"name":"Śubha","start":"16:38","end":"17:57","startHours":16.64043240532054,"endHours":17.955635717552966,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:57","end":"19:38","startHours":17.955635717552966,"endHours":19.64043240532054,"quality":"auspicious"},{"name":"Kāla","start":"19:38","end":"21:20","startHours":19.64043240532054,"endHours":21.32522909308811,"quality":"inauspicious"},{"name":"Śubha","start":"21:20","end":"23:01","startHours":21.32522909308811,"endHours":23.01002578085569,"quality":"auspicious"},{"name":"Roga","start":"23:01","end":"00:42","startHours":23.01002578085569,"endHours":24.69482246862326,"quality":"inauspicious"},{"name":"Udveg","start":"00:42","end":"02:23","startHours":24.69482246862326,"endHours":26.379619156390834,"quality":"inauspicious"},{"name":"Chala","start":"02:23","end":"04:04","startHours":26.379619156390834,"endHours":28.06441584415841,"quality":"neutral"},{"name":"Labha","start":"04:04","end":"05:45","startHours":28.06441584415841,"endHours":29.749212531925984,"quality":"auspicious"},{"name":"Amṛta","start":"05:45","end":"07:26","startHours":29.749212531925984,"endHours":31.434009219693557,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:26","end":"08:26","startHours":7.434009219693558,"endHours":8.434009219693557,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:26","end":"09:26","startHours":8.434009219693557,"endHours":9.434009219693557,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:26","end":"10:26","startHours":9.434009219693557,"endHours":10.434009219693557,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:26","end":"11:26","startHours":10.434009219693557,"endHours":11.434009219693557,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:26","end":"12:26","startHours":11.434009219693557,"endHours":12.434009219693557,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:26","end":"13:26","startHours":12.434009219693557,"endHours":13.434009219693557,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:26","end":"14:26","startHours":13.434009219693557,"endHours":14.434009219693557,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:26","end":"15:26","startHours":14.434009219693557,"endHours":15.434009219693557,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:26","end":"16:26","startHours":15.434009219693557,"endHours":16.434009219693557,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:26","end":"17:26","startHours":16.434009219693557,"endHours":17.434009219693557,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:26","end":"18:26","startHours":17.434009219693557,"endHours":18.434009219693557,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:26","end":"19:26","startHours":18.434009219693557,"endHours":19.434009219693557,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:26","end":"20:26","startHours":19.434009219693557,"endHours":20.434009219693557,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:26","end":"21:26","startHours":20.434009219693557,"endHours":21.434009219693557,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:26","end":"22:26","startHours":21.434009219693557,"endHours":22.434009219693557,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:26","end":"23:26","startHours":22.434009219693557,"endHours":23.434009219693557,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:26","end":"00:26","startHours":23.434009219693557,"endHours":24.434009219693557,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:26","end":"01:26","startHours":24.434009219693557,"endHours":25.434009219693557,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:26","end":"02:26","startHours":25.434009219693557,"endHours":26.434009219693557,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:26","end":"03:26","startHours":26.434009219693557,"endHours":27.434009219693557,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:26","end":"04:26","startHours":27.434009219693557,"endHours":28.434009219693557,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:26","end":"05:26","startHours":28.434009219693557,"endHours":29.434009219693557,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:26","end":"06:26","startHours":29.434009219693557,"endHours":30.434009219693557,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:26","end":"07:26","startHours":30.434009219693557,"endHours":31.434009219693557,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Lumba","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":-17.216588876374775,"eotMinutes":-13.689348117395623,"ayanamsa":23.7145}},"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 Ṣaṣṭhī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"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":"amarnath"},"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, 1990 CE · Amarnāth · Vidhyamitra","description":"February 1, 1990 CE for Amarnāth: Śukla Ṣaṣṭhī, sūryodaya 07:26, sūryāsta 17:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/amarnath/1990-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/amarnath/1990-02-01","sa":"https://sa.vidhyamitra.com/city/amarnath/1990-02-01","hi":"https://hi.vidhyamitra.com/city/amarnath/1990-02-01","x-default":"https://vidhyamitra.com/city/amarnath/1990-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T11:20:18.788Z","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":"2026-06-02T11:20:18.788Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T11:20:18.788Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}