{"id":"vidhyamitra:city-day:dwarka:2131-02-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/2131-02-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2131-02-20","date_display":"February 20, 2131 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":2131,"month":2,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499441.770833,"kali_year":5232,"ahargana":1910976.2708,"sun":{"sidereal_longitude":305.048,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":214.1114,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":269.0634,"elapsed_within_tithi_degrees":5.0634},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":214.1114,"elapsed_within_degrees":0.7781},"yoga":{"number":12,"name":"Dhruva","sum_longitude":159.1594},"karana":{"half_tithi_index":44,"name":"Bālava"},"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":2131,"month":2,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2499441.770833,"ahargana":1910976.2708,"kali_year":5232,"ayanamsa_lahiri":25.6849,"grahas":{"sun":{"sidereal_longitude":305.2413019999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":211.56770200000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":3.6005},"mars":{"sidereal_longitude":249.995902,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":320.228202,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":21.019701999999995,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":267.20940199999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":198.821502,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":87.2809,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":267.2809,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2131,"month":2,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499441.770833,"kali_year":5232,"ahargana":1910976.2708,"sun":{"sidereal_longitude":305.048,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":214.1114,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":269.0634,"elapsed_within_tithi_degrees":5.0634},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":214.1114,"elapsed_within_degrees":0.7781},"yoga":{"number":12,"name":"Dhruva","sum_longitude":159.1594},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.601,"elongation":90.937},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.601,"opposition_distance":89.063}},"eclipse_window_40days":[]},"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"sunriseLocal":"07:23","sunsetLocal":"18:54","solarNoonLocal":"13:08","dayLengthHours":11.50662237118224,"dayLengthDisplay":"11 Hours 30 Mins 24 Secs","nightLengthDisplay":"12 Hours 29 Mins 36 Secs","moonriseLocal":"01:24","moonsetLocal":"12:23","rahuKala":{"name":"Rāhu Kāla","start":"16:01","end":"17:27","startHours":16.016804676874266,"endHours":17.455132473272045,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:16","end":"11:42","startHours":10.263493491283143,"endHours":11.701821287680923,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:08","end":"14:35","startHours":13.140149084078704,"endHours":14.578476880476483,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:04","end":"10:27","startHours":10.07171645176344,"endHours":10.455270530802848,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:52","end":"08:10","startHours":7.8662804972868425,"endHours":8.173123760518369,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:45","end":"13:31","startHours":12.756595005039296,"endHours":13.523703163118112,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:37","startHours":5.8526215823299506,"endHours":6.619729740408767,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:26","end":"07:23","startHours":6.427952700889063,"endHours":7.386837898487583,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:03","end":"15:50","startHours":15.057919479275743,"endHours":15.825027637354559,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:42","end":"19:06","startHours":18.693460269669824,"endHours":19.093460269669823,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:54","end":"19:22","startHours":18.893460269669824,"endHours":19.372902868469083,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:39","end":"20:24","startHours":18.643460269669824,"endHours":20.393460269669824,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:45","end":"01:31","startHours":24.756595005039298,"endHours":25.52370316311811,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:23","end":"08:50","startHours":7.386837898487583,"endHours":8.825165694885364,"quality":"inauspicious"},{"name":"Udveg","start":"08:50","end":"10:16","startHours":8.825165694885364,"endHours":10.263493491283143,"quality":"inauspicious"},{"name":"Chala","start":"10:16","end":"11:42","startHours":10.263493491283143,"endHours":11.701821287680923,"quality":"neutral"},{"name":"Labha","start":"11:42","end":"13:08","startHours":11.701821287680923,"endHours":13.140149084078704,"quality":"auspicious"},{"name":"Amṛta","start":"13:08","end":"14:35","startHours":13.140149084078704,"endHours":14.578476880476483,"quality":"auspicious"},{"name":"Kāla","start":"14:35","end":"16:01","startHours":14.578476880476483,"endHours":16.016804676874266,"quality":"inauspicious"},{"name":"Śubha","start":"16:01","end":"17:27","startHours":16.016804676874266,"endHours":17.455132473272045,"quality":"auspicious"},{"name":"Roga","start":"17:27","end":"18:54","startHours":17.455132473272045,"endHours":18.893460269669824,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:54","end":"20:27","startHours":18.893460269669824,"endHours":20.455132473272045,"quality":"inauspicious"},{"name":"Śubha","start":"20:27","end":"22:01","startHours":20.455132473272045,"endHours":22.016804676874262,"quality":"auspicious"},{"name":"Roga","start":"22:01","end":"23:35","startHours":22.016804676874262,"endHours":23.578476880476483,"quality":"inauspicious"},{"name":"Udveg","start":"23:35","end":"01:08","startHours":23.578476880476483,"endHours":25.140149084078704,"quality":"inauspicious"},{"name":"Chala","start":"01:08","end":"02:42","startHours":25.140149084078704,"endHours":26.70182128768092,"quality":"neutral"},{"name":"Labha","start":"02:42","end":"04:16","startHours":26.70182128768092,"endHours":28.263493491283143,"quality":"auspicious"},{"name":"Amṛta","start":"04:16","end":"05:50","startHours":28.263493491283143,"endHours":29.825165694885364,"quality":"auspicious"},{"name":"Kāla","start":"05:50","end":"07:23","startHours":29.825165694885364,"endHours":31.386837898487585,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:23","end":"08:23","startHours":7.386837898487583,"endHours":8.386837898487583,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:23","end":"09:23","startHours":8.386837898487583,"endHours":9.386837898487583,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:23","end":"10:23","startHours":9.386837898487583,"endHours":10.386837898487583,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:23","end":"11:23","startHours":10.386837898487583,"endHours":11.386837898487583,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:23","end":"12:23","startHours":11.386837898487583,"endHours":12.386837898487583,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:23","end":"13:23","startHours":12.386837898487583,"endHours":13.386837898487583,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:23","end":"14:23","startHours":13.386837898487583,"endHours":14.386837898487583,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:23","end":"15:23","startHours":14.386837898487583,"endHours":15.386837898487583,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:23","end":"16:23","startHours":15.386837898487583,"endHours":16.386837898487585,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:23","end":"17:23","startHours":16.386837898487585,"endHours":17.386837898487585,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:23","end":"18:23","startHours":17.386837898487585,"endHours":18.386837898487585,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:23","end":"19:23","startHours":18.386837898487585,"endHours":19.386837898487585,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:23","end":"20:23","startHours":19.386837898487585,"endHours":20.386837898487585,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:23","end":"21:23","startHours":20.386837898487585,"endHours":21.386837898487585,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:23","end":"22:23","startHours":21.386837898487585,"endHours":22.386837898487585,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:23","end":"23:23","startHours":22.386837898487585,"endHours":23.386837898487585,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:23","end":"00:23","startHours":23.386837898487585,"endHours":24.386837898487585,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:23","end":"01:23","startHours":24.386837898487585,"endHours":25.386837898487585,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:23","end":"02:23","startHours":25.386837898487585,"endHours":26.386837898487585,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:23","end":"03:23","startHours":26.386837898487585,"endHours":27.386837898487585,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:23","end":"04:23","startHours":27.386837898487585,"endHours":28.386837898487585,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:23","end":"05:23","startHours":28.386837898487585,"endHours":29.386837898487585,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:23","end":"06:23","startHours":29.386837898487585,"endHours":30.386837898487585,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:23","end":"07:23","startHours":30.386837898487585,"endHours":31.386837898487585,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"North","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-11.143820779634666,"eotMinutes":-14.28334504472219,"ayanamsa":25.6849}},"calendars":{"vikram_samvat":2188,"vikram_samvatsara":"Krodhi","saka_samvat":2053,"saka_samvatsara":"Khara","bengali_samvat":1538,"malayalam_era":1307,"nanakshahi_year":662,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Aṣṭamī · Vikram 2188 Krodhi · Śaka 2053 Khara"},"festivals":[{"id":"sitashtami","name":"Sītāṣṭamī","name_sanskrit":"सीताष्टमी","tradition":"Vaishnava","associated_deity":"Sītā Devī","significance":"Birth-anniversary of Sītā per Phālguna-Kṛṣṇa-Aṣṭamī tradition.","vrata":true,"detection":{"tithi_number":23,"tithi_paksha":"Kṛṣṇa","lunar_month":"Phālguna"},"precedence":3}],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"dwarka"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 20, 2131 CE · Dvārakā · Vidhyamitra","description":"February 20, 2131 CE for Dvārakā: Kṛṣṇa Aṣṭamī, sūryodaya 07:23, sūryāsta 18:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/2131-02-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/2131-02-20","sa":"https://sa.vidhyamitra.com/city/dwarka/2131-02-20","hi":"https://hi.vidhyamitra.com/city/dwarka/2131-02-20","x-default":"https://vidhyamitra.com/city/dwarka/2131-02-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T16:24:00.343Z","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":"2026-06-02T16:24:00.343Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T16:24:00.343Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}