{"id":"vidhyamitra:city-day:rameswaram:2012-02-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rameswaram/2012-02-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-02-13","date_display":"February 13, 2012 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":2012,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455970.770833,"kali_year":5113,"ahargana":1867505.2708,"sun":{"sidereal_longitude":299.7615,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":185.8815,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":246.12,"elapsed_within_tithi_degrees":6.12},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":185.8815,"elapsed_within_degrees":12.5482},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":125.643},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2012,"month":2,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455970.770833,"ahargana":1867505.2708,"kali_year":5113,"ayanamsa_lahiri":24.0223,"grahas":{"sun":{"sidereal_longitude":299.70401300000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":187.72531300000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false,"latitude":-3.1638},"mars":{"sidereal_longitude":146.26471300000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":303.92941300000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":10.040813000000014,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":341.427613,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":185.20381300000008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":230.5837,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":50.5837,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2012,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455970.770833,"kali_year":5113,"ahargana":1867505.2708,"sun":{"sidereal_longitude":299.7615,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":185.8815,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":246.12,"elapsed_within_tithi_degrees":6.12},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":185.8815,"elapsed_within_degrees":12.5482},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":125.643},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.164,"elongation":113.88},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.164,"opposition_distance":66.12}},"eclipse_window_40days":[]},"city":{"slug":"rameswaram","name":"Rameswaram, Tamil Nadu","lat":9.2885,"lon":79.3127,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rameswaram","name":"Rameswaram, Tamil Nadu","lat":9.2885,"lon":79.3127,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tirtha"},"sunriseLocal":"06:33","sunsetLocal":"18:22","solarNoonLocal":"12:27","dayLengthHours":11.813265852118597,"dayLengthDisplay":"11 Hours 48 Mins 48 Secs","nightLengthDisplay":"12 Hours 11 Mins 12 Secs","moonriseLocal":"23:05","moonsetLocal":"10:54","rahuKala":{"name":"Rāhu Kāla","start":"08:02","end":"09:30","startHours":8.02583739313256,"endHours":9.502495624647384,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:59","end":"12:27","startHours":10.97915385616221,"endHours":12.455812087677035,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:56","end":"15:25","startHours":13.932470319191859,"endHours":15.409128550706683,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:42","startHours":9.30560786044541,"endHours":9.699383388849363,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:02","end":"07:21","startHours":7.041398572122677,"endHours":7.35641899484584,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:51","startHours":12.062036559273082,"endHours":12.849587616080989,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:58","end":"05:46","startHours":4.974077048001923,"endHours":5.761628104809829,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:34","end":"06:33","startHours":5.564740340607853,"endHours":6.549179161617736,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:13","startHours":14.424689729696802,"endHours":15.212240786504708,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:10","end":"18:34","startHours":18.162445013736335,"endHours":18.562445013736333,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:22","end":"18:51","startHours":18.362445013736334,"endHours":18.854664424241275,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:07","end":"19:52","startHours":18.112445013736334,"endHours":19.862445013736334,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:51","startHours":24.062036559273082,"endHours":24.84958761608099,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:33","end":"08:02","startHours":6.549179161617736,"endHours":8.02583739313256,"quality":"auspicious"},{"name":"Kāla","start":"08:02","end":"09:30","startHours":8.02583739313256,"endHours":9.502495624647384,"quality":"inauspicious"},{"name":"Śubha","start":"09:30","end":"10:59","startHours":9.502495624647384,"endHours":10.97915385616221,"quality":"auspicious"},{"name":"Roga","start":"10:59","end":"12:27","startHours":10.97915385616221,"endHours":12.455812087677035,"quality":"inauspicious"},{"name":"Udveg","start":"12:27","end":"13:56","startHours":12.455812087677035,"endHours":13.932470319191859,"quality":"inauspicious"},{"name":"Chala","start":"13:56","end":"15:25","startHours":13.932470319191859,"endHours":15.409128550706683,"quality":"neutral"},{"name":"Labha","start":"15:25","end":"16:53","startHours":15.409128550706683,"endHours":16.88578678222151,"quality":"auspicious"},{"name":"Amṛta","start":"16:53","end":"18:22","startHours":16.88578678222151,"endHours":18.362445013736334,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:22","end":"19:53","startHours":18.362445013736334,"endHours":19.88578678222151,"quality":"neutral"},{"name":"Labha","start":"19:53","end":"21:25","startHours":19.88578678222151,"endHours":21.409128550706683,"quality":"auspicious"},{"name":"Amṛta","start":"21:25","end":"22:56","startHours":21.409128550706683,"endHours":22.93247031919186,"quality":"auspicious"},{"name":"Kāla","start":"22:56","end":"00:27","startHours":22.93247031919186,"endHours":24.455812087677035,"quality":"inauspicious"},{"name":"Śubha","start":"00:27","end":"01:59","startHours":24.455812087677035,"endHours":25.97915385616221,"quality":"auspicious"},{"name":"Roga","start":"01:59","end":"03:30","startHours":25.97915385616221,"endHours":27.502495624647388,"quality":"inauspicious"},{"name":"Udveg","start":"03:30","end":"05:02","startHours":27.502495624647388,"endHours":29.025837393132562,"quality":"inauspicious"},{"name":"Chala","start":"05:02","end":"06:33","startHours":29.025837393132562,"endHours":30.549179161617737,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:33","end":"07:33","startHours":6.549179161617736,"endHours":7.549179161617736,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:33","end":"08:33","startHours":7.549179161617736,"endHours":8.549179161617737,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:33","end":"09:33","startHours":8.549179161617737,"endHours":9.549179161617737,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:33","end":"10:33","startHours":9.549179161617737,"endHours":10.549179161617737,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:33","end":"11:33","startHours":10.549179161617737,"endHours":11.549179161617737,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:33","end":"12:33","startHours":11.549179161617737,"endHours":12.549179161617737,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:33","end":"13:33","startHours":12.549179161617737,"endHours":13.549179161617737,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:33","end":"14:33","startHours":13.549179161617737,"endHours":14.549179161617737,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:33","end":"15:33","startHours":14.549179161617737,"endHours":15.549179161617737,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:33","end":"16:33","startHours":15.549179161617737,"endHours":16.549179161617737,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:33","end":"17:33","startHours":16.549179161617737,"endHours":17.549179161617737,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:33","end":"18:33","startHours":17.549179161617737,"endHours":18.549179161617737,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:33","end":"19:33","startHours":18.549179161617737,"endHours":19.549179161617737,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:33","end":"20:33","startHours":19.549179161617737,"endHours":20.549179161617737,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:33","end":"21:33","startHours":20.549179161617737,"endHours":21.549179161617737,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:33","end":"22:33","startHours":21.549179161617737,"endHours":22.549179161617737,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:33","end":"23:33","startHours":22.549179161617737,"endHours":23.549179161617737,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:33","end":"00:33","startHours":23.549179161617737,"endHours":24.549179161617737,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:33","end":"01:33","startHours":24.549179161617737,"endHours":25.549179161617737,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:33","end":"02:33","startHours":25.549179161617737,"endHours":26.549179161617737,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:33","end":"03:33","startHours":26.549179161617737,"endHours":27.549179161617737,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:33","end":"04:33","startHours":27.549179161617737,"endHours":28.549179161617737,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:33","end":"05:33","startHours":28.549179161617737,"endHours":29.549179161617737,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:33","end":"06:33","startHours":29.549179161617737,"endHours":30.549179161617737,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-13.610228484765031,"eotMinutes":-14.599525260622107,"ayanamsa":24.0223}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"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":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Ṣaṣṭhī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi_ingress":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"rameswaram"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 13, 2012 CE · Rameswaram, Tamil Nadu · Vidhyamitra","description":"February 13, 2012 CE for Rameswaram, Tamil Nadu: Kṛṣṇa Ṣaṣṭhī, sūryodaya 06:33, sūryāsta 18:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rameswaram/2012-02-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rameswaram/2012-02-13","sa":"https://sa.vidhyamitra.com/city/rameswaram/2012-02-13","hi":"https://hi.vidhyamitra.com/city/rameswaram/2012-02-13","x-default":"https://vidhyamitra.com/city/rameswaram/2012-02-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:38:20.025Z","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":"2026-05-31T14:38:20.025Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:38:20.025Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}