{"id":"vidhyamitra:city-day:coimbatore:2016-05-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/coimbatore/2016-05-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2016-05-13","date_display":"May 13, 2016 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":2016,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457521.770833,"kali_year":5118,"ahargana":1869056.2708,"sun":{"sidereal_longitude":28.5945,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":108.1293,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.5347,"elapsed_within_tithi_degrees":7.5347},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":108.1293,"elapsed_within_degrees":1.4626},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":136.7238},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2016,"month":5,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457521.770833,"ahargana":1869056.2708,"kali_year":5118,"ayanamsa_lahiri":24.0816,"grahas":{"sun":{"sidereal_longitude":28.639654000000007,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":110.79965399999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false,"latitude":-2.9073},"mars":{"sidereal_longitude":220.606854,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":23.161654,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":138.52795400000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":21.736853999999994,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":230.35225400000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":148.4042,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":328.4042,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":2016,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457521.770833,"kali_year":5118,"ahargana":1869056.2708,"sun":{"sidereal_longitude":28.5945,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":108.1293,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.5347,"elapsed_within_tithi_degrees":7.5347},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":108.1293,"elapsed_within_degrees":1.4626},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":136.7238},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.907,"elongation":79.535},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.907,"opposition_distance":100.465}},"eclipse_window_40days":[]},"city":{"slug":"coimbatore","name":"Coimbatore, Tamil Nadu","lat":11.0168,"lon":76.9558,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"coimbatore","name":"Coimbatore, Tamil Nadu","lat":11.0168,"lon":76.9558,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"06:00","sunsetLocal":"18:37","solarNoonLocal":"12:18","dayLengthHours":12.61613757224444,"dayLengthDisplay":"12 Hours 36 Mins 58 Secs","nightLengthDisplay":"11 Hours 23 Mins 02 Secs","moonriseLocal":"11:31","moonsetLocal":"00:03","rahuKala":{"name":"Rāhu Kāla","start":"10:44","end":"12:18","startHours":10.730038824410173,"endHours":12.307056020940728,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:28","end":"17:02","startHours":15.461090414001838,"endHours":17.038107610532393,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:35","end":"09:09","startHours":7.576004431349063,"endHours":9.153021627879617,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:22","startHours":8.94275266834221,"endHours":9.363290587417026,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:31","end":"06:52","startHours":6.524659633662027,"endHours":6.8610899689218785,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:44","startHours":11.886518101865914,"endHours":12.727593940015542,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:19","end":"05:09","startHours":4.31683555851925,"endHours":5.1579113966688785,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:57","end":"06:00","startHours":4.947642437131472,"endHours":5.998987234818508,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:15","startHours":14.409745616314801,"endHours":15.25082145446443,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:25","end":"18:49","startHours":18.41512480706295,"endHours":18.815124807062947,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:37","end":"19:08","startHours":18.615124807062948,"endHours":19.140797205906466,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:22","end":"20:07","startHours":18.365124807062948,"endHours":20.115124807062948,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:44","startHours":23.886518101865914,"endHours":24.72759394001554,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:00","end":"07:35","startHours":5.998987234818508,"endHours":7.576004431349063,"quality":"neutral"},{"name":"Labha","start":"07:35","end":"09:09","startHours":7.576004431349063,"endHours":9.153021627879617,"quality":"auspicious"},{"name":"Amṛta","start":"09:09","end":"10:44","startHours":9.153021627879617,"endHours":10.730038824410173,"quality":"auspicious"},{"name":"Kāla","start":"10:44","end":"12:18","startHours":10.730038824410173,"endHours":12.307056020940728,"quality":"inauspicious"},{"name":"Śubha","start":"12:18","end":"13:53","startHours":12.307056020940728,"endHours":13.884073217471283,"quality":"auspicious"},{"name":"Roga","start":"13:53","end":"15:28","startHours":13.884073217471283,"endHours":15.461090414001838,"quality":"inauspicious"},{"name":"Udveg","start":"15:28","end":"17:02","startHours":15.461090414001838,"endHours":17.038107610532393,"quality":"inauspicious"},{"name":"Chala","start":"17:02","end":"18:37","startHours":17.038107610532393,"endHours":18.615124807062948,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:37","end":"20:02","startHours":18.615124807062948,"endHours":20.038107610532393,"quality":"inauspicious"},{"name":"Udveg","start":"20:02","end":"21:28","startHours":20.038107610532393,"endHours":21.461090414001838,"quality":"inauspicious"},{"name":"Chala","start":"21:28","end":"22:53","startHours":21.461090414001838,"endHours":22.884073217471283,"quality":"neutral"},{"name":"Labha","start":"22:53","end":"00:18","startHours":22.884073217471283,"endHours":24.307056020940728,"quality":"auspicious"},{"name":"Amṛta","start":"00:18","end":"01:44","startHours":24.307056020940728,"endHours":25.730038824410173,"quality":"auspicious"},{"name":"Kāla","start":"01:44","end":"03:09","startHours":25.730038824410173,"endHours":27.153021627879617,"quality":"inauspicious"},{"name":"Śubha","start":"03:09","end":"04:35","startHours":27.153021627879617,"endHours":28.576004431349062,"quality":"auspicious"},{"name":"Roga","start":"04:35","end":"06:00","startHours":28.576004431349062,"endHours":29.998987234818507,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:00","end":"07:00","startHours":5.998987234818508,"endHours":6.998987234818508,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:00","end":"08:00","startHours":6.998987234818508,"endHours":7.998987234818508,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:00","end":"09:00","startHours":7.998987234818508,"endHours":8.998987234818507,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:00","end":"10:00","startHours":8.998987234818507,"endHours":9.998987234818507,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:00","end":"11:00","startHours":9.998987234818507,"endHours":10.998987234818507,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:00","end":"12:00","startHours":10.998987234818507,"endHours":11.998987234818507,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:00","end":"13:00","startHours":11.998987234818507,"endHours":12.998987234818507,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:00","end":"14:00","startHours":12.998987234818507,"endHours":13.998987234818507,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:00","end":"15:00","startHours":13.998987234818507,"endHours":14.998987234818507,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:00","end":"16:00","startHours":14.998987234818507,"endHours":15.998987234818507,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:00","end":"17:00","startHours":15.998987234818507,"endHours":16.998987234818507,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:00","end":"18:00","startHours":16.998987234818507,"endHours":17.998987234818507,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:00","end":"19:00","startHours":17.998987234818507,"endHours":18.998987234818507,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:00","end":"20:00","startHours":18.998987234818507,"endHours":19.998987234818507,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:00","end":"21:00","startHours":19.998987234818507,"endHours":20.998987234818507,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:00","end":"22:00","startHours":20.998987234818507,"endHours":21.998987234818507,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:00","end":"23:00","startHours":21.998987234818507,"endHours":22.998987234818507,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:00","end":"00:00","startHours":22.998987234818507,"endHours":23.998987234818507,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:00","end":"01:00","startHours":23.998987234818507,"endHours":24.998987234818507,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:00","end":"02:00","startHours":24.998987234818507,"endHours":25.998987234818507,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:00","end":"03:00","startHours":25.998987234818507,"endHours":26.998987234818507,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:00","end":"04:00","startHours":26.998987234818507,"endHours":27.998987234818507,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:00","end":"05:00","startHours":27.998987234818507,"endHours":28.998987234818507,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:00","end":"06:00","startHours":28.998987234818507,"endHours":29.998987234818507,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.449881842847844,"eotMinutes":3.7534387435564067,"ayanamsa":24.0816}},"calendars":{"vikram_samvat":2073,"vikram_samvatsara":"Saumya","saka_samvat":1938,"saka_samvatsara":"Durmukhi","bengali_samvat":1423,"malayalam_era":1192,"nanakshahi_year":547,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Saptamī · Vikram 2073 Saumya · Śaka 1938 Durmukhi"},"festivals":[{"id":"ganga-saptami","name":"Gaṅgā Saptamī","name_sanskrit":"गङ्गा सप्तमी","tradition":"Pan-Hindu","associated_deity":"Devī Gaṅgā","significance":"Gaṅgā Devī's descent to Brahma-loka before her earth-descent.","vrata":true,"detection":{"tithi_number":7,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"coimbatore"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 13, 2016 CE · Coimbatore, Tamil Nadu · Vidhyamitra","description":"May 13, 2016 CE for Coimbatore, Tamil Nadu: Śukla Saptamī, sūryodaya 06:00, sūryāsta 18:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/coimbatore/2016-05-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/coimbatore/2016-05-13","sa":"https://sa.vidhyamitra.com/city/coimbatore/2016-05-13","hi":"https://hi.vidhyamitra.com/city/coimbatore/2016-05-13","x-default":"https://vidhyamitra.com/city/coimbatore/2016-05-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T01:37:51.692Z","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":"2026-06-03T01:37:51.692Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T01:37:51.692Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}