{"id":"vidhyamitra:city-day:rameshwaram:1981-01-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rameshwaram/1981-01-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-01-06","date_display":"January 6, 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":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444610.770833,"kali_year":5082,"ahargana":1856145.2708,"sun":{"sidereal_longitude":261.909,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":257.8155,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":355.9064,"elapsed_within_tithi_degrees":7.9064},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":257.8155,"elapsed_within_degrees":4.4822},"yoga":{"number":12,"name":"Dhruva","sum_longitude":159.7245},"karana":{"half_tithi_index":59,"name":"Nāga"},"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":1981,"month":1,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444610.770833,"ahargana":1856145.2708,"kali_year":5082,"ayanamsa_lahiri":23.5878,"grahas":{"sun":{"sidereal_longitude":262.05094899999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":258.91564900000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false,"latitude":2.5584},"mars":{"sidereal_longitude":281.527649,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":265.754449,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":166.293049,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":240.12624900000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":165.81234900000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":112.4912,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":292.4912,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444610.770833,"kali_year":5082,"ahargana":1856145.2708,"sun":{"sidereal_longitude":261.909,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":257.8155,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":355.9064,"elapsed_within_tithi_degrees":7.9064},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":257.8155,"elapsed_within_degrees":4.4822},"yoga":{"number":12,"name":"Dhruva","sum_longitude":159.7245},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.558,"elongation":4.094},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.558,"opposition_distance":175.906}},"eclipse_window_40days":[{"offset_days":14,"type":"lunar","occurs":true,"moon_latitude":-1.332,"opposition_distance":1.776}]},"city":{"slug":"rameshwaram","name":"Rāmeśvaram","lat":9.2876,"lon":79.3129,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rameshwaram","name":"Rāmeśvaram","lat":9.2876,"lon":79.3129,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tirtha"},"sunriseLocal":"06:31","sunsetLocal":"18:07","solarNoonLocal":"12:19","dayLengthHours":11.603654637700224,"dayLengthDisplay":"11 Hours 36 Mins 13 Secs","nightLengthDisplay":"12 Hours 23 Mins 47 Secs","moonriseLocal":"06:19","moonsetLocal":"17:53","rahuKala":{"name":"Rāhu Kāla","start":"15:13","end":"16:40","startHours":15.21131401120795,"endHours":16.66177084092048,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:25","end":"10:52","startHours":9.409486692357838,"endHours":10.859943522070367,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:19","end":"13:46","startHours":12.310400351782896,"endHours":13.760857181495423,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:36","startHours":9.216092448396168,"endHours":9.60288093631951,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:00","end":"07:18","startHours":6.992058642836959,"endHours":7.3014894331756315,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:42","startHours":11.923611863859556,"endHours":12.697188839706236,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:58","end":"05:44","startHours":4.96141908123942,"endHours":5.734996057086101,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:32","end":"06:31","startHours":5.541601813124431,"endHours":6.508573032932783,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"15:01","startHours":14.2443427913996,"endHours":15.017919767246282,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:55","end":"18:19","startHours":17.91222767063301,"endHours":18.312227670633007,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:07","end":"18:36","startHours":18.112227670633008,"endHours":18.595713280537183,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:52","end":"19:37","startHours":17.862227670633008,"endHours":19.612227670633008,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:42","startHours":23.923611863859556,"endHours":24.697188839706236,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:31","end":"07:58","startHours":6.508573032932783,"endHours":7.959029862645311,"quality":"inauspicious"},{"name":"Udveg","start":"07:58","end":"09:25","startHours":7.959029862645311,"endHours":9.409486692357838,"quality":"inauspicious"},{"name":"Chala","start":"09:25","end":"10:52","startHours":9.409486692357838,"endHours":10.859943522070367,"quality":"neutral"},{"name":"Labha","start":"10:52","end":"12:19","startHours":10.859943522070367,"endHours":12.310400351782896,"quality":"auspicious"},{"name":"Amṛta","start":"12:19","end":"13:46","startHours":12.310400351782896,"endHours":13.760857181495423,"quality":"auspicious"},{"name":"Kāla","start":"13:46","end":"15:13","startHours":13.760857181495423,"endHours":15.21131401120795,"quality":"inauspicious"},{"name":"Śubha","start":"15:13","end":"16:40","startHours":15.21131401120795,"endHours":16.66177084092048,"quality":"auspicious"},{"name":"Roga","start":"16:40","end":"18:07","startHours":16.66177084092048,"endHours":18.112227670633008,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:07","end":"19:40","startHours":18.112227670633008,"endHours":19.66177084092048,"quality":"inauspicious"},{"name":"Śubha","start":"19:40","end":"21:13","startHours":19.66177084092048,"endHours":21.211314011207953,"quality":"auspicious"},{"name":"Roga","start":"21:13","end":"22:46","startHours":21.211314011207953,"endHours":22.760857181495425,"quality":"inauspicious"},{"name":"Udveg","start":"22:46","end":"00:19","startHours":22.760857181495425,"endHours":24.310400351782896,"quality":"inauspicious"},{"name":"Chala","start":"00:19","end":"01:52","startHours":24.310400351782896,"endHours":25.859943522070367,"quality":"neutral"},{"name":"Labha","start":"01:52","end":"03:25","startHours":25.859943522070367,"endHours":27.409486692357838,"quality":"auspicious"},{"name":"Amṛta","start":"03:25","end":"04:58","startHours":27.409486692357838,"endHours":28.959029862645313,"quality":"auspicious"},{"name":"Kāla","start":"04:58","end":"06:31","startHours":28.959029862645313,"endHours":30.508573032932784,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:31","end":"07:31","startHours":6.508573032932783,"endHours":7.508573032932783,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:31","end":"08:31","startHours":7.508573032932783,"endHours":8.508573032932784,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:31","end":"09:31","startHours":8.508573032932784,"endHours":9.508573032932784,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:31","end":"10:31","startHours":9.508573032932784,"endHours":10.508573032932784,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:31","end":"11:31","startHours":10.508573032932784,"endHours":11.508573032932784,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:31","end":"12:31","startHours":11.508573032932784,"endHours":12.508573032932784,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:31","end":"13:31","startHours":12.508573032932784,"endHours":13.508573032932784,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:31","end":"14:31","startHours":13.508573032932784,"endHours":14.508573032932784,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:31","end":"15:31","startHours":14.508573032932784,"endHours":15.508573032932784,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:31","end":"16:31","startHours":15.508573032932784,"endHours":16.508573032932784,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:31","end":"17:31","startHours":16.508573032932784,"endHours":17.508573032932784,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:31","end":"18:31","startHours":17.508573032932784,"endHours":18.508573032932784,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:31","end":"19:31","startHours":18.508573032932784,"endHours":19.508573032932784,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:31","end":"20:31","startHours":19.508573032932784,"endHours":20.508573032932784,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:31","end":"21:31","startHours":20.508573032932784,"endHours":21.508573032932784,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:31","end":"22:31","startHours":21.508573032932784,"endHours":22.508573032932784,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:31","end":"23:31","startHours":22.508573032932784,"endHours":23.508573032932784,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:31","end":"00:31","startHours":23.508573032932784,"endHours":24.508573032932784,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:31","end":"01:31","startHours":24.508573032932784,"endHours":25.508573032932784,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:31","end":"02:31","startHours":25.508573032932784,"endHours":26.508573032932784,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:31","end":"03:31","startHours":26.508573032932784,"endHours":27.508573032932784,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:31","end":"04:31","startHours":27.508573032932784,"endHours":28.508573032932784,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:31","end":"05:31","startHours":28.508573032932784,"endHours":29.508573032932784,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:31","end":"06:31","startHours":29.508573032932784,"endHours":30.508573032932784,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.520166924177204,"eotMinutes":-5.875621106973772,"ayanamsa":23.5878}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Amāvasyā · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"rameshwaram"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 6, 1981 CE · Rāmeśvaram · Vidhyamitra","description":"January 6, 1981 CE for Rāmeśvaram: Kṛṣṇa Amāvasyā, sūryodaya 06:31, sūryāsta 18:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rameshwaram/1981-01-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rameshwaram/1981-01-06","sa":"https://sa.vidhyamitra.com/city/rameshwaram/1981-01-06","hi":"https://hi.vidhyamitra.com/city/rameshwaram/1981-01-06","x-default":"https://vidhyamitra.com/city/rameshwaram/1981-01-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T22:41:11.936Z","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":"2026-06-01T22:41:11.936Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T22:41:11.936Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}