{"id":"vidhyamitra:city-day:rameshwaram:2017-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rameshwaram/2017-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-02-01","date_display":"February 1, 2017 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":2017,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457785.770833,"kali_year":5118,"ahargana":1869320.2708,"sun":{"sidereal_longitude":288.2507,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":337.9472,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":49.6965,"elapsed_within_tithi_degrees":1.6965},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":337.9472,"elapsed_within_degrees":4.6139},"yoga":{"number":20,"name":"Śiva","sum_longitude":266.198},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2017,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457785.770833,"ahargana":1869320.2708,"kali_year":5118,"ayanamsa_lahiri":24.0917,"grahas":{"sun":{"sidereal_longitude":288.273467,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":337.654567,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":-1.7951},"mars":{"sidereal_longitude":338.486767,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":266.56856700000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":178.513467,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":333.55986699999994,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":240.33126700000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":134.4163,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":314.4163,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2017,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457785.770833,"kali_year":5118,"ahargana":1869320.2708,"sun":{"sidereal_longitude":288.2507,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":337.9472,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":49.6965,"elapsed_within_tithi_degrees":1.6965},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":337.9472,"elapsed_within_degrees":4.6139},"yoga":{"number":20,"name":"Śiva","sum_longitude":266.198},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.795,"elongation":49.697},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.795,"opposition_distance":130.303}},"eclipse_window_40days":[{"offset_days":10,"type":"lunar","occurs":true,"moon_latitude":-1.052,"opposition_distance":1.908}]},"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":"06:34","sunsetLocal":"18:18","solarNoonLocal":"12:26","dayLengthHours":11.733588051017172,"dayLengthDisplay":"11 Hours 44 Mins 01 Secs","nightLengthDisplay":"12 Hours 15 Mins 59 Secs","moonriseLocal":"09:41","moonsetLocal":"21:47","rahuKala":{"name":"Rāhu Kāla","start":"12:26","end":"13:54","startHours":12.440629135289928,"endHours":13.907327641667074,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:02","end":"09:30","startHours":8.040533616158488,"endHours":9.507232122535635,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:58","end":"12:26","startHours":10.973930628912782,"endHours":12.440629135289928,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:19","end":"09:42","startHours":9.31167232168535,"endHours":9.702791923385922,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:04","end":"07:23","startHours":7.062734611907057,"endHours":7.375630293267515,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:50","startHours":12.049509533589356,"endHours":12.8317487369905,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:01","end":"05:47","startHours":5.009356702979052,"endHours":5.791595906380198,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:36","end":"06:34","startHours":5.596036105529911,"endHours":6.573835109781342,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:11","startHours":14.39622714379279,"endHours":15.178466347193936,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:06","end":"18:30","startHours":18.107423160798515,"endHours":18.507423160798513,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:18","end":"18:48","startHours":18.307423160798514,"endHours":18.79632266292423,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:03","end":"19:48","startHours":18.057423160798514,"endHours":19.807423160798514,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:50","startHours":24.049509533589355,"endHours":24.8317487369905,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:34","end":"08:02","startHours":6.573835109781342,"endHours":8.040533616158488,"quality":"auspicious"},{"name":"Amṛta","start":"08:02","end":"09:30","startHours":8.040533616158488,"endHours":9.507232122535635,"quality":"auspicious"},{"name":"Kāla","start":"09:30","end":"10:58","startHours":9.507232122535635,"endHours":10.973930628912782,"quality":"inauspicious"},{"name":"Śubha","start":"10:58","end":"12:26","startHours":10.973930628912782,"endHours":12.440629135289928,"quality":"auspicious"},{"name":"Roga","start":"12:26","end":"13:54","startHours":12.440629135289928,"endHours":13.907327641667074,"quality":"inauspicious"},{"name":"Udveg","start":"13:54","end":"15:22","startHours":13.907327641667074,"endHours":15.374026148044221,"quality":"inauspicious"},{"name":"Chala","start":"15:22","end":"16:50","startHours":15.374026148044221,"endHours":16.84072465442137,"quality":"neutral"},{"name":"Labha","start":"16:50","end":"18:18","startHours":16.84072465442137,"endHours":18.307423160798514,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:18","end":"19:50","startHours":18.307423160798514,"endHours":19.84072465442137,"quality":"inauspicious"},{"name":"Chala","start":"19:50","end":"21:22","startHours":19.84072465442137,"endHours":21.374026148044223,"quality":"neutral"},{"name":"Labha","start":"21:22","end":"22:54","startHours":21.374026148044223,"endHours":22.907327641667074,"quality":"auspicious"},{"name":"Amṛta","start":"22:54","end":"00:26","startHours":22.907327641667074,"endHours":24.440629135289928,"quality":"auspicious"},{"name":"Kāla","start":"00:26","end":"01:58","startHours":24.440629135289928,"endHours":25.973930628912782,"quality":"inauspicious"},{"name":"Śubha","start":"01:58","end":"03:30","startHours":25.973930628912782,"endHours":27.507232122535633,"quality":"auspicious"},{"name":"Roga","start":"03:30","end":"05:02","startHours":27.507232122535633,"endHours":29.040533616158488,"quality":"inauspicious"},{"name":"Udveg","start":"05:02","end":"06:34","startHours":29.040533616158488,"endHours":30.573835109781342,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:34","end":"07:34","startHours":6.573835109781342,"endHours":7.573835109781342,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:34","end":"08:34","startHours":7.573835109781342,"endHours":8.573835109781342,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:34","end":"09:34","startHours":8.573835109781342,"endHours":9.573835109781342,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:34","end":"10:34","startHours":9.573835109781342,"endHours":10.573835109781342,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:34","end":"11:34","startHours":10.573835109781342,"endHours":11.573835109781342,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:34","end":"12:34","startHours":11.573835109781342,"endHours":12.573835109781342,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:34","end":"13:34","startHours":12.573835109781342,"endHours":13.573835109781342,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:34","end":"14:34","startHours":13.573835109781342,"endHours":14.573835109781342,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:34","end":"15:34","startHours":14.573835109781342,"endHours":15.573835109781342,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:34","end":"16:34","startHours":15.573835109781342,"endHours":16.573835109781342,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:34","end":"17:34","startHours":16.573835109781342,"endHours":17.573835109781342,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:34","end":"18:34","startHours":17.573835109781342,"endHours":18.573835109781342,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:34","end":"19:34","startHours":18.573835109781342,"endHours":19.573835109781342,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:34","end":"20:34","startHours":19.573835109781342,"endHours":20.573835109781342,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:34","end":"21:34","startHours":20.573835109781342,"endHours":21.573835109781342,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:34","end":"22:34","startHours":21.573835109781342,"endHours":22.573835109781342,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:34","end":"23:34","startHours":22.573835109781342,"endHours":23.573835109781342,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:34","end":"00:34","startHours":23.573835109781342,"endHours":24.573835109781342,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:34","end":"01:34","startHours":24.573835109781342,"endHours":25.573835109781342,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:34","end":"02:34","startHours":25.573835109781342,"endHours":26.573835109781342,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:34","end":"03:34","startHours":26.573835109781342,"endHours":27.573835109781342,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:34","end":"04:34","startHours":27.573835109781342,"endHours":28.573835109781342,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:34","end":"05:34","startHours":28.573835109781342,"endHours":29.573835109781342,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:34","end":"06:34","startHours":29.573835109781342,"endHours":30.573835109781342,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-17.08982915390077,"eotMinutes":-13.689348117395623,"ayanamsa":24.0917}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Pañcamī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"sarasvati-jayanti","name":"Sarasvatī Jayantī (Vasanta Pañchamī)","name_sanskrit":"सरस्वती जयन्ती / वसन्त पञ्चमी","tradition":"Pan-Hindu","associated_deity":"Sarasvatī (Vāk-tattva)","significance":"Manifestation of Devī Sarasvatī; vidyā-ārambha day; vasanta-ṛtu begins.","vrata":true,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2,"sources":["Skanda Purāṇa","Devī Bhāgavata"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"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 February 1, 2017 CE · Rāmeśvaram · Vidhyamitra","description":"February 1, 2017 CE for Rāmeśvaram: Śukla Pañcamī, sūryodaya 06:34, sūryāsta 18:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rameshwaram/2017-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rameshwaram/2017-02-01","sa":"https://sa.vidhyamitra.com/city/rameshwaram/2017-02-01","hi":"https://hi.vidhyamitra.com/city/rameshwaram/2017-02-01","x-default":"https://vidhyamitra.com/city/rameshwaram/2017-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T07:14:33.927Z","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":"2026-05-15T07:14:33.927Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T07:14:33.927Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}