{"id":"vidhyamitra:city-day:erode:1987-03-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1987-03-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1987-03-09","date_display":"March 9, 1987 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":1987,"month":3,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446863.770833,"kali_year":5088,"ahargana":1858398.2708,"sun":{"sidereal_longitude":324.4579,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":70.012,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":105.554,"elapsed_within_tithi_degrees":9.554},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":70.012,"elapsed_within_degrees":3.3453},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":34.4699},"karana":{"half_tithi_index":17,"name":"Kaulava"},"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":1987,"month":3,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446863.770833,"ahargana":1858398.2708,"kali_year":5088,"ayanamsa_lahiri":23.674,"grahas":{"sun":{"sidereal_longitude":324.25816800000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":71.06836800000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":4.3826},"mars":{"sidereal_longitude":17.798367999999982,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":307.300668,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":338.568268,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":283.19426799999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":236.72386800000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":353.1164,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":173.1164,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":1987,"month":3,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446863.770833,"kali_year":5088,"ahargana":1858398.2708,"sun":{"sidereal_longitude":324.4579,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":70.012,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":105.554,"elapsed_within_tithi_degrees":9.554},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":70.012,"elapsed_within_degrees":3.3453},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":34.4699},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.383,"elongation":105.554},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.383,"opposition_distance":74.446}},"eclipse_window_40days":[]},"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"06:31","sunsetLocal":"18:30","solarNoonLocal":"12:30","dayLengthHours":11.985817561484211,"dayLengthDisplay":"11 Hours 59 Mins 09 Secs","nightLengthDisplay":"12 Hours 00 Mins 51 Secs","moonriseLocal":"13:15","moonsetLocal":"02:00","rahuKala":{"name":"Rāhu Kāla","start":"08:01","end":"09:31","startHours":8.012185893724471,"endHours":9.51041308891,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:01","end":"12:30","startHours":11.008640284095524,"endHours":12.506867479281052,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:00","end":"15:30","startHours":14.005094674466577,"endHours":15.503321869652105,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:19","end":"09:43","startHours":9.310649462885262,"endHours":9.710176714934736,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:01","end":"07:20","startHours":7.013367763600788,"endHours":7.332989565240367,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:54","startHours":12.107340227231578,"endHours":12.906394731330526,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:55","end":"05:43","startHours":4.915849690341051,"endHours":5.714904194439998,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:31","end":"06:31","startHours":5.515140568415261,"endHours":6.5139586985389455,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:18","startHours":14.50450373952842,"endHours":15.303558243627368,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:18","end":"18:42","startHours":18.299776260023158,"endHours":18.699776260023157,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:30","end":"19:00","startHours":18.499776260023157,"endHours":18.999185325085,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:15","end":"20:00","startHours":18.249776260023157,"endHours":19.999776260023157,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:54","startHours":24.107340227231578,"endHours":24.906394731330526,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:31","end":"08:01","startHours":6.5139586985389455,"endHours":8.012185893724471,"quality":"auspicious"},{"name":"Kāla","start":"08:01","end":"09:31","startHours":8.012185893724471,"endHours":9.51041308891,"quality":"inauspicious"},{"name":"Śubha","start":"09:31","end":"11:01","startHours":9.51041308891,"endHours":11.008640284095524,"quality":"auspicious"},{"name":"Roga","start":"11:01","end":"12:30","startHours":11.008640284095524,"endHours":12.506867479281052,"quality":"inauspicious"},{"name":"Udveg","start":"12:30","end":"14:00","startHours":12.506867479281052,"endHours":14.005094674466577,"quality":"inauspicious"},{"name":"Chala","start":"14:00","end":"15:30","startHours":14.005094674466577,"endHours":15.503321869652105,"quality":"neutral"},{"name":"Labha","start":"15:30","end":"17:00","startHours":15.503321869652105,"endHours":17.00154906483763,"quality":"auspicious"},{"name":"Amṛta","start":"17:00","end":"18:30","startHours":17.00154906483763,"endHours":18.499776260023157,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:30","end":"20:00","startHours":18.499776260023157,"endHours":20.001549064837633,"quality":"neutral"},{"name":"Labha","start":"20:00","end":"21:30","startHours":20.001549064837633,"endHours":21.503321869652105,"quality":"auspicious"},{"name":"Amṛta","start":"21:30","end":"23:00","startHours":21.503321869652105,"endHours":23.005094674466577,"quality":"auspicious"},{"name":"Kāla","start":"23:00","end":"00:30","startHours":23.005094674466577,"endHours":24.506867479281052,"quality":"inauspicious"},{"name":"Śubha","start":"00:30","end":"02:01","startHours":24.506867479281052,"endHours":26.008640284095527,"quality":"auspicious"},{"name":"Roga","start":"02:01","end":"03:31","startHours":26.008640284095527,"endHours":27.51041308891,"quality":"inauspicious"},{"name":"Udveg","start":"03:31","end":"05:01","startHours":27.51041308891,"endHours":29.01218589372447,"quality":"inauspicious"},{"name":"Chala","start":"05:01","end":"06:31","startHours":29.01218589372447,"endHours":30.513958698538946,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:31","end":"07:31","startHours":6.5139586985389455,"endHours":7.5139586985389455,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:31","end":"08:31","startHours":7.5139586985389455,"endHours":8.513958698538946,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:31","end":"09:31","startHours":8.513958698538946,"endHours":9.513958698538946,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:31","end":"10:31","startHours":9.513958698538946,"endHours":10.513958698538946,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:31","end":"11:31","startHours":10.513958698538946,"endHours":11.513958698538946,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:31","end":"12:31","startHours":11.513958698538946,"endHours":12.513958698538946,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:31","end":"13:31","startHours":12.513958698538946,"endHours":13.513958698538946,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:31","end":"14:31","startHours":13.513958698538946,"endHours":14.513958698538946,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:31","end":"15:31","startHours":14.513958698538946,"endHours":15.513958698538946,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:31","end":"16:31","startHours":15.513958698538946,"endHours":16.513958698538946,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:31","end":"17:31","startHours":16.513958698538946,"endHours":17.513958698538946,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:31","end":"18:31","startHours":17.513958698538946,"endHours":18.513958698538946,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:31","end":"19:31","startHours":18.513958698538946,"endHours":19.513958698538946,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:31","end":"20:31","startHours":19.513958698538946,"endHours":20.513958698538946,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:31","end":"21:31","startHours":20.513958698538946,"endHours":21.513958698538946,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:31","end":"22:31","startHours":21.513958698538946,"endHours":22.513958698538946,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:31","end":"23:31","startHours":22.513958698538946,"endHours":23.513958698538946,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:31","end":"00:31","startHours":23.513958698538946,"endHours":24.513958698538946,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:31","end":"01:31","startHours":24.513958698538946,"endHours":25.513958698538946,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:31","end":"02:31","startHours":25.513958698538946,"endHours":26.513958698538946,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:31","end":"03:31","startHours":26.513958698538946,"endHours":27.513958698538946,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:31","end":"04:31","startHours":27.513958698538946,"endHours":28.513958698538946,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:31","end":"05:31","startHours":28.513958698538946,"endHours":29.513958698538946,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:31","end":"06:31","startHours":29.513958698538946,"endHours":30.513958698538946,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-4.769866811816194,"eotMinutes":-11.280848756863184,"ayanamsa":23.674}},"calendars":{"vikram_samvat":2044,"vikram_samvatsara":"Vikrama","saka_samvat":1909,"saka_samvatsara":"Prabhava","bengali_samvat":1394,"malayalam_era":1163,"nanakshahi_year":518,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Navamī · Vikram 2044 Vikrama · Śaka 1909 Prabhava"},"festivals":[],"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"erode"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga March 9, 1987 CE · Erode, Tamil Nadu · Vidhyamitra","description":"March 9, 1987 CE for Erode, Tamil Nadu: Śukla Navamī, sūryodaya 06:31, sūryāsta 18:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1987-03-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1987-03-09","sa":"https://sa.vidhyamitra.com/city/erode/1987-03-09","hi":"https://hi.vidhyamitra.com/city/erode/1987-03-09","x-default":"https://vidhyamitra.com/city/erode/1987-03-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T05:02:00.351Z","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":"2026-06-02T05:02:00.352Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T05:02:00.352Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}