{"id":"vidhyamitra:city-day:ayodhya:1681-03-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1681-03-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1681-03-18","date_display":"March 18, 1681 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":1681,"month":3,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2335109.770833,"kali_year":4782,"ahargana":1746644.2708,"sun":{"sidereal_longitude":339.5801,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":313.5297,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":333.9496,"elapsed_within_tithi_degrees":9.9496},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":313.5297,"elapsed_within_degrees":6.863},"yoga":{"number":22,"name":"Sādhya","sum_longitude":293.1098},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1681,"month":3,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2335109.770833,"ahargana":1746644.2708,"kali_year":4782,"ayanamsa_lahiri":19.3998,"grahas":{"sun":{"sidereal_longitude":338.666192,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":313.418492,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false,"latitude":1.6003},"mars":{"sidereal_longitude":145.393392,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":347.634292,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":54.051692,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":26.170391999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":90.12469199999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":154.3811,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":334.3811,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"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":1681,"month":3,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2335109.770833,"kali_year":4782,"ahargana":1746644.2708,"sun":{"sidereal_longitude":339.5801,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":313.5297,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":333.9496,"elapsed_within_tithi_degrees":9.9496},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":313.5297,"elapsed_within_degrees":6.863},"yoga":{"number":22,"name":"Sādhya","sum_longitude":293.1098},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.6,"elongation":26.05},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.6,"opposition_distance":153.95}},"eclipse_window_40days":[{"offset_days":2,"type":"solar","occurs":true,"moon_latitude":-0.475,"elongation":1.22}]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:08","sunsetLocal":"18:12","solarNoonLocal":"12:10","dayLengthHours":12.072638741501141,"dayLengthDisplay":"12 Hours 04 Mins 21 Secs","nightLengthDisplay":"11 Hours 55 Mins 39 Secs","moonriseLocal":"04:48","moonsetLocal":"16:10","rahuKala":{"name":"Rāhu Kāla","start":"15:11","end":"16:42","startHours":15.18395791936717,"endHours":16.693037762054814,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:09","end":"10:39","startHours":9.1476385486166,"endHours":10.656718391304242,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:10","end":"13:40","startHours":12.165798233991886,"endHours":13.674878076679526,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:21","startHours":8.946427902924913,"endHours":9.348849194308286,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:57","startHours":6.632505477470529,"endHours":6.954442510577226,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:34","startHours":11.763376942608513,"endHours":12.568219525375255,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:31","end":"05:19","startHours":4.519793697707829,"endHours":5.3246362804745715,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:08","startHours":5.123425634782887,"endHours":6.129478863241315,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"14:59","startHours":14.17790469090874,"endHours":14.982747273675482,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:00","end":"18:24","startHours":18.002117604742455,"endHours":18.402117604742454,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:12","end":"18:42","startHours":18.202117604742455,"endHours":18.705144218971668,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:57","end":"19:42","startHours":17.952117604742455,"endHours":19.702117604742455,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:34","startHours":23.763376942608513,"endHours":24.56821952537526,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:08","end":"07:38","startHours":6.129478863241315,"endHours":7.638558705928958,"quality":"inauspicious"},{"name":"Udveg","start":"07:38","end":"09:09","startHours":7.638558705928958,"endHours":9.1476385486166,"quality":"inauspicious"},{"name":"Chala","start":"09:09","end":"10:39","startHours":9.1476385486166,"endHours":10.656718391304242,"quality":"neutral"},{"name":"Labha","start":"10:39","end":"12:10","startHours":10.656718391304242,"endHours":12.165798233991886,"quality":"auspicious"},{"name":"Amṛta","start":"12:10","end":"13:40","startHours":12.165798233991886,"endHours":13.674878076679526,"quality":"auspicious"},{"name":"Kāla","start":"13:40","end":"15:11","startHours":13.674878076679526,"endHours":15.18395791936717,"quality":"inauspicious"},{"name":"Śubha","start":"15:11","end":"16:42","startHours":15.18395791936717,"endHours":16.693037762054814,"quality":"auspicious"},{"name":"Roga","start":"16:42","end":"18:12","startHours":16.693037762054814,"endHours":18.202117604742455,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:12","end":"19:42","startHours":18.202117604742455,"endHours":19.69303776205481,"quality":"inauspicious"},{"name":"Śubha","start":"19:42","end":"21:11","startHours":19.69303776205481,"endHours":21.18395791936717,"quality":"auspicious"},{"name":"Roga","start":"21:11","end":"22:40","startHours":21.18395791936717,"endHours":22.674878076679526,"quality":"inauspicious"},{"name":"Udveg","start":"22:40","end":"00:10","startHours":22.674878076679526,"endHours":24.165798233991886,"quality":"inauspicious"},{"name":"Chala","start":"00:10","end":"01:39","startHours":24.165798233991886,"endHours":25.656718391304242,"quality":"neutral"},{"name":"Labha","start":"01:39","end":"03:09","startHours":25.656718391304242,"endHours":27.147638548616598,"quality":"auspicious"},{"name":"Amṛta","start":"03:09","end":"04:38","startHours":27.147638548616598,"endHours":28.638558705928958,"quality":"auspicious"},{"name":"Kāla","start":"04:38","end":"06:08","startHours":28.638558705928958,"endHours":30.129478863241314,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.129478863241315,"endHours":7.129478863241315,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.129478863241315,"endHours":8.129478863241314,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.129478863241314,"endHours":9.129478863241314,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.129478863241314,"endHours":10.129478863241314,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.129478863241314,"endHours":11.129478863241314,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.129478863241314,"endHours":12.129478863241314,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.129478863241314,"endHours":13.129478863241314,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.129478863241314,"endHours":14.129478863241314,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.129478863241314,"endHours":15.129478863241314,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.129478863241314,"endHours":16.129478863241314,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.129478863241314,"endHours":17.129478863241314,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.129478863241314,"endHours":18.129478863241314,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.129478863241314,"endHours":19.129478863241314,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.129478863241314,"endHours":20.129478863241314,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.129478863241314,"endHours":21.129478863241314,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.129478863241314,"endHours":22.129478863241314,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.129478863241314,"endHours":23.129478863241314,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.129478863241314,"endHours":24.129478863241314,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.129478863241314,"endHours":25.129478863241314,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.129478863241314,"endHours":26.129478863241314,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.129478863241314,"endHours":27.129478863241314,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.129478863241314,"endHours":28.129478863241314,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.129478863241314,"endHours":29.129478863241314,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.129478863241314,"endHours":30.129478863241314,"planetary_lord":"Saturn"}],"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-0.7690947934168956,"eotMinutes":-8.763894039513033,"ayanamsa":19.3998}},"calendars":{"vikram_samvat":1738,"vikram_samvatsara":"Bhāva","saka_samvat":1603,"saka_samvatsara":"Durmati","bengali_samvat":1088,"malayalam_era":857,"nanakshahi_year":212,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Trayodaśī · Vikram 1738 Bhāva · Śaka 1603 Durmati"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga March 18, 1681 CE · Ayodhyā · Vidhyamitra","description":"March 18, 1681 CE for Ayodhyā: Kṛṣṇa Trayodaśī, sūryodaya 06:08, sūryāsta 18:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1681-03-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1681-03-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/1681-03-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/1681-03-18","x-default":"https://vidhyamitra.com/city/ayodhya/1681-03-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T13:13:17.035Z","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":"2026-06-03T13:13:17.035Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T13:13:17.035Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}