{"id":"vidhyamitra:city-day:boston:1981-03-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/boston/1981-03-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-03-08","date_display":"March 8, 1981 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":1981,"month":3,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444671.770833,"kali_year":5082,"ahargana":1856206.2708,"sun":{"sidereal_longitude":324.0098,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":343.8708,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":19.8611,"elapsed_within_tithi_degrees":7.8611},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":343.8708,"elapsed_within_degrees":10.5375},"yoga":{"number":24,"name":"Śukla","sum_longitude":307.8806},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1981,"month":3,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444671.770833,"ahargana":1856206.2708,"kali_year":5082,"ayanamsa_lahiri":23.5901,"grahas":{"sun":{"sidereal_longitude":323.796918,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":345.842218,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false,"latitude":-3.6673},"mars":{"sidereal_longitude":329.604818,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":298.166118,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":164.23101799999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"venus":{"sidereal_longitude":316.44261800000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":164.08031800000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":109.2591,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":289.2591,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":3,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444671.770833,"kali_year":5082,"ahargana":1856206.2708,"sun":{"sidereal_longitude":324.0098,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":343.8708,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":19.8611,"elapsed_within_tithi_degrees":7.8611},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":343.8708,"elapsed_within_degrees":10.5375},"yoga":{"number":24,"name":"Śukla","sum_longitude":307.8806},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.667,"elongation":19.861},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.667,"opposition_distance":160.139}},"eclipse_window_40days":[]},"city":{"slug":"boston","name":"Boston, USA","lat":42.3601,"lon":-71.0589,"tz_offset_hours":-5,"country":"US","tier":"diaspora"},"tier2":{"city":{"slug":"boston","name":"Boston, USA","lat":42.3601,"lon":-71.0589,"tz_offset_hours":-5,"country":"US","tier":"diaspora"},"sunriseLocal":"06:09","sunsetLocal":"17:42","solarNoonLocal":"11:56","dayLengthHours":11.54330400362538,"dayLengthDisplay":"11 Hours 32 Mins 36 Secs","nightLengthDisplay":"12 Hours 27 Mins 24 Secs","moonriseLocal":"07:07","moonsetLocal":"19:41","rahuKala":{"name":"Rāhu Kāla","start":"16:15","end":"17:42","startHours":16.2581592582842,"endHours":17.70107225873737,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:56","end":"13:22","startHours":11.92942025692468,"endHours":13.372333257377853,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:49","end":"16:15","startHours":14.815246257831024,"endHours":16.2581592582842,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:14","startHours":8.851205855957911,"endHours":9.235982656078757,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:57","startHours":6.638739255263047,"endHours":6.946560695359724,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:33","end":"12:19","startHours":11.544643456803833,"endHours":12.314197057045526,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:37","end":"05:23","startHours":4.618661054628606,"endHours":5.388214654870298,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:12","end":"06:09","startHours":5.195826254809875,"endHours":6.15776825511199,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:51","end":"14:37","startHours":13.85330425752891,"endHours":14.622857857770601,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.50107225873737,"endHours":17.90107225873737,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:11","startHours":17.70107225873737,"endHours":18.182043258888427,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.45107225873737,"endHours":19.20107225873737,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:33","end":"00:19","startHours":23.544643456803833,"endHours":24.314197057045526,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:09","end":"07:36","startHours":6.15776825511199,"endHours":7.600681255565163,"quality":"inauspicious"},{"name":"Chala","start":"07:36","end":"09:03","startHours":7.600681255565163,"endHours":9.043594256018334,"quality":"neutral"},{"name":"Labha","start":"09:03","end":"10:29","startHours":9.043594256018334,"endHours":10.486507256471508,"quality":"auspicious"},{"name":"Amṛta","start":"10:29","end":"11:56","startHours":10.486507256471508,"endHours":11.92942025692468,"quality":"auspicious"},{"name":"Kāla","start":"11:56","end":"13:22","startHours":11.92942025692468,"endHours":13.372333257377853,"quality":"inauspicious"},{"name":"Śubha","start":"13:22","end":"14:49","startHours":13.372333257377853,"endHours":14.815246257831024,"quality":"auspicious"},{"name":"Roga","start":"14:49","end":"16:15","startHours":14.815246257831024,"endHours":16.2581592582842,"quality":"inauspicious"},{"name":"Udveg","start":"16:15","end":"17:42","startHours":16.2581592582842,"endHours":17.70107225873737,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:42","end":"19:15","startHours":17.70107225873737,"endHours":19.258159258284195,"quality":"auspicious"},{"name":"Roga","start":"19:15","end":"20:49","startHours":19.258159258284195,"endHours":20.815246257831024,"quality":"inauspicious"},{"name":"Udveg","start":"20:49","end":"22:22","startHours":20.815246257831024,"endHours":22.372333257377853,"quality":"inauspicious"},{"name":"Chala","start":"22:22","end":"23:56","startHours":22.372333257377853,"endHours":23.92942025692468,"quality":"neutral"},{"name":"Labha","start":"23:56","end":"01:29","startHours":23.92942025692468,"endHours":25.486507256471505,"quality":"auspicious"},{"name":"Amṛta","start":"01:29","end":"03:03","startHours":25.486507256471505,"endHours":27.043594256018334,"quality":"auspicious"},{"name":"Kāla","start":"03:03","end":"04:36","startHours":27.043594256018334,"endHours":28.600681255565163,"quality":"inauspicious"},{"name":"Śubha","start":"04:36","end":"06:09","startHours":28.600681255565163,"endHours":30.15776825511199,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:09","end":"07:09","startHours":6.15776825511199,"endHours":7.15776825511199,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:09","end":"08:09","startHours":7.15776825511199,"endHours":8.15776825511199,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:09","end":"09:09","startHours":8.15776825511199,"endHours":9.15776825511199,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:09","end":"10:09","startHours":9.15776825511199,"endHours":10.15776825511199,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:09","end":"11:09","startHours":10.15776825511199,"endHours":11.15776825511199,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:09","end":"12:09","startHours":11.15776825511199,"endHours":12.15776825511199,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:09","end":"13:09","startHours":12.15776825511199,"endHours":13.15776825511199,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:09","end":"14:09","startHours":13.15776825511199,"endHours":14.15776825511199,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:09","end":"15:09","startHours":14.15776825511199,"endHours":15.15776825511199,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:09","end":"16:09","startHours":15.15776825511199,"endHours":16.15776825511199,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:09","end":"17:09","startHours":16.15776825511199,"endHours":17.15776825511199,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:09","end":"18:09","startHours":17.15776825511199,"endHours":18.15776825511199,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:09","end":"19:09","startHours":18.15776825511199,"endHours":19.15776825511199,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:09","end":"20:09","startHours":19.15776825511199,"endHours":20.15776825511199,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:09","end":"21:09","startHours":20.15776825511199,"endHours":21.15776825511199,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:09","end":"22:09","startHours":21.15776825511199,"endHours":22.15776825511199,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:09","end":"23:09","startHours":22.15776825511199,"endHours":23.15776825511199,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:09","end":"00:09","startHours":23.15776825511199,"endHours":24.15776825511199,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:09","end":"01:09","startHours":24.15776825511199,"endHours":25.15776825511199,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:09","end":"02:09","startHours":25.15776825511199,"endHours":26.15776825511199,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:09","end":"03:09","startHours":26.15776825511199,"endHours":27.15776825511199,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:09","end":"04:09","startHours":27.15776825511199,"endHours":28.15776825511199,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:09","end":"05:09","startHours":28.15776825511199,"endHours":29.15776825511199,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:09","end":"06:09","startHours":29.15776825511199,"endHours":30.15776825511199,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-4.982449680883583,"eotMinutes":-11.52961541548083,"ayanamsa":23.5901}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","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 Śukla Dvitīyā · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"boston"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga March 8, 1981 CE · Boston, USA · Vidhyamitra","description":"March 8, 1981 CE for Boston, USA: Śukla Dvitīyā, sūryodaya 06:09, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/boston/1981-03-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/boston/1981-03-08","sa":"https://sa.vidhyamitra.com/city/boston/1981-03-08","hi":"https://hi.vidhyamitra.com/city/boston/1981-03-08","x-default":"https://vidhyamitra.com/city/boston/1981-03-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T04:04:12.627Z","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":"2026-06-03T04:04:12.627Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T04:04:12.627Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}