{"id":"vidhyamitra:city-day:coimbatore:2011-01-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/coimbatore/2011-01-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-01-23","date_display":"January 23, 2011 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":2011,"month":1,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455584.770833,"kali_year":5112,"ahargana":1867119.2708,"sun":{"sidereal_longitude":278.5815,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":139.0734,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":220.4919,"elapsed_within_tithi_degrees":4.4919},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":139.0734,"elapsed_within_degrees":5.7401},"yoga":{"number":5,"name":"Śobhana","sum_longitude":57.6549},"karana":{"half_tithi_index":36,"name":"Bava"},"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":2011,"month":1,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455584.770833,"ahargana":1867119.2708,"kali_year":5112,"ayanamsa_lahiri":24.0075,"grahas":{"sun":{"sidereal_longitude":278.657961,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":142.001661,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false,"latitude":-4.1728},"mars":{"sidereal_longitude":281.40816100000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":258.2475609999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":336.094761,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":232.17206099999999,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":172.961861,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":251.0358,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":71.0358,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"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":2011,"month":1,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455584.770833,"kali_year":5112,"ahargana":1867119.2708,"sun":{"sidereal_longitude":278.5815,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":139.0734,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":220.4919,"elapsed_within_tithi_degrees":4.4919},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":139.0734,"elapsed_within_degrees":5.7401},"yoga":{"number":5,"name":"Śobhana","sum_longitude":57.6549},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.173,"elongation":139.508},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.173,"opposition_distance":40.492}},"eclipse_window_40days":[{"offset_days":-19,"type":"solar","occurs":true,"moon_latitude":0.37,"elongation":2.307}]},"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":"06:46","sunsetLocal":"18:22","solarNoonLocal":"12:34","dayLengthHours":11.591400293778177,"dayLengthDisplay":"11 Hours 35 Mins 29 Secs","nightLengthDisplay":"12 Hours 24 Mins 31 Secs","moonriseLocal":"21:21","moonsetLocal":"09:34","rahuKala":{"name":"Rāhu Kāla","start":"16:55","end":"18:22","startHours":16.913141736502112,"endHours":18.362066773224385,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:34","end":"14:01","startHours":12.566366626335295,"endHours":14.015291663057567,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:28","end":"16:55","startHours":15.46421669977984,"endHours":16.913141736502112,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:29","end":"09:52","startHours":9.475326547994449,"endHours":9.861706557787056,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:15","end":"07:34","startHours":7.253641491686965,"endHours":7.56274549952105,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:11","end":"12:57","startHours":12.179986616542688,"endHours":12.952746636127902,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:14","end":"06:00","startHours":5.225146440275784,"endHours":5.997906459860996,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:48","end":"06:46","startHours":5.804716454964693,"endHours":6.7706664794462075,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:16","startHours":14.498266675298325,"endHours":15.271026694883536,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:10","end":"18:34","startHours":18.162066773224385,"endHours":18.562066773224384,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:22","end":"18:51","startHours":18.362066773224385,"endHours":18.845041785465142,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:07","end":"19:52","startHours":18.112066773224385,"endHours":19.862066773224385,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:11","end":"00:57","startHours":24.17998661654269,"endHours":24.952746636127902,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:46","end":"08:13","startHours":6.7706664794462075,"endHours":8.21959151616848,"quality":"inauspicious"},{"name":"Chala","start":"08:13","end":"09:40","startHours":8.21959151616848,"endHours":9.668516552890752,"quality":"neutral"},{"name":"Labha","start":"09:40","end":"11:07","startHours":9.668516552890752,"endHours":11.117441589613023,"quality":"auspicious"},{"name":"Amṛta","start":"11:07","end":"12:34","startHours":11.117441589613023,"endHours":12.566366626335295,"quality":"auspicious"},{"name":"Kāla","start":"12:34","end":"14:01","startHours":12.566366626335295,"endHours":14.015291663057567,"quality":"inauspicious"},{"name":"Śubha","start":"14:01","end":"15:28","startHours":14.015291663057567,"endHours":15.46421669977984,"quality":"auspicious"},{"name":"Roga","start":"15:28","end":"16:55","startHours":15.46421669977984,"endHours":16.913141736502112,"quality":"inauspicious"},{"name":"Udveg","start":"16:55","end":"18:22","startHours":16.913141736502112,"endHours":18.362066773224385,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:22","end":"19:55","startHours":18.362066773224385,"endHours":19.913141736502112,"quality":"auspicious"},{"name":"Roga","start":"19:55","end":"21:28","startHours":19.913141736502112,"endHours":21.46421669977984,"quality":"inauspicious"},{"name":"Udveg","start":"21:28","end":"23:01","startHours":21.46421669977984,"endHours":23.015291663057567,"quality":"inauspicious"},{"name":"Chala","start":"23:01","end":"00:34","startHours":23.015291663057567,"endHours":24.566366626335295,"quality":"neutral"},{"name":"Labha","start":"00:34","end":"02:07","startHours":24.566366626335295,"endHours":26.117441589613023,"quality":"auspicious"},{"name":"Amṛta","start":"02:07","end":"03:40","startHours":26.117441589613023,"endHours":27.66851655289075,"quality":"auspicious"},{"name":"Kāla","start":"03:40","end":"05:13","startHours":27.66851655289075,"endHours":29.219591516168478,"quality":"inauspicious"},{"name":"Śubha","start":"05:13","end":"06:46","startHours":29.219591516168478,"endHours":30.770666479446206,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:46","end":"07:46","startHours":6.7706664794462075,"endHours":7.7706664794462075,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:46","end":"08:46","startHours":7.7706664794462075,"endHours":8.770666479446207,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:46","end":"09:46","startHours":8.770666479446207,"endHours":9.770666479446207,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:46","end":"10:46","startHours":9.770666479446207,"endHours":10.770666479446207,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:46","end":"11:46","startHours":10.770666479446207,"endHours":11.770666479446207,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:46","end":"12:46","startHours":11.770666479446207,"endHours":12.770666479446207,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:46","end":"13:46","startHours":12.770666479446207,"endHours":13.770666479446207,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:46","end":"14:46","startHours":13.770666479446207,"endHours":14.770666479446207,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:46","end":"15:46","startHours":14.770666479446207,"endHours":15.770666479446207,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:46","end":"16:46","startHours":15.770666479446207,"endHours":16.770666479446206,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:46","end":"17:46","startHours":16.770666479446206,"endHours":17.770666479446206,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:46","end":"18:46","startHours":17.770666479446206,"endHours":18.770666479446206,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:46","end":"19:46","startHours":18.770666479446206,"endHours":19.770666479446206,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:46","end":"20:46","startHours":19.770666479446206,"endHours":20.770666479446206,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:46","end":"21:46","startHours":20.770666479446206,"endHours":21.770666479446206,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:46","end":"22:46","startHours":21.770666479446206,"endHours":22.770666479446206,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:46","end":"23:46","startHours":22.770666479446206,"endHours":23.770666479446206,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:46","end":"00:46","startHours":23.770666479446206,"endHours":24.770666479446206,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:46","end":"01:46","startHours":24.770666479446206,"endHours":25.770666479446206,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:46","end":"02:46","startHours":25.770666479446206,"endHours":26.770666479446206,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:46","end":"03:46","startHours":26.770666479446206,"endHours":27.770666479446206,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:46","end":"04:46","startHours":27.770666479446206,"endHours":28.770666479446206,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:46","end":"05:46","startHours":28.770666479446206,"endHours":29.770666479446206,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:46","end":"06:46","startHours":29.770666479446206,"endHours":30.770666479446206,"planetary_lord":"Jupiter"}],"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-19.56193446215869,"eotMinutes":-11.805197580117738,"ayanamsa":24.0075}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","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":"Māgha Kṛṣṇa Caturthī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":"coimbatore"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 23, 2011 CE · Coimbatore, Tamil Nadu · Vidhyamitra","description":"January 23, 2011 CE for Coimbatore, Tamil Nadu: Kṛṣṇa Caturthī, sūryodaya 06:46, sūryāsta 18:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/coimbatore/2011-01-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/coimbatore/2011-01-23","sa":"https://sa.vidhyamitra.com/city/coimbatore/2011-01-23","hi":"https://hi.vidhyamitra.com/city/coimbatore/2011-01-23","x-default":"https://vidhyamitra.com/city/coimbatore/2011-01-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T08:54:13.086Z","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":"2026-06-01T08:54:13.086Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T08:54:13.086Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}