{"id":"vidhyamitra:city-day:vrindavan:1918-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1918-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1918-01-18","date_display":"January 18, 1918 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":1918,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421611.770833,"kali_year":5019,"ahargana":1833146.2708,"sun":{"sidereal_longitude":274.5452,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":341.2416,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":66.6963,"elapsed_within_tithi_degrees":6.6963},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":341.2416,"elapsed_within_degrees":7.9082},"yoga":{"number":20,"name":"Śiva","sum_longitude":255.7868},"karana":{"half_tithi_index":11,"name":"Taitila"},"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":1918,"month":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2421611.770833,"ahargana":1833146.2708,"kali_year":5019,"ayanamsa_lahiri":22.7082,"grahas":{"sun":{"sidereal_longitude":274.43678,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":343.87948,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false,"latitude":4.5},"mars":{"sidereal_longitude":159.79588,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":252.68687999999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":39.361080000000015,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":306.81188,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":110.08058,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":251.0889,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":71.0889,"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":1918,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421611.770833,"kali_year":5019,"ahargana":1833146.2708,"sun":{"sidereal_longitude":274.5452,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":341.2416,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":66.6963,"elapsed_within_tithi_degrees":6.6963},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":341.2416,"elapsed_within_degrees":7.9082},"yoga":{"number":20,"name":"Śiva","sum_longitude":255.7868},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.5,"elongation":66.696},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.5,"opposition_distance":113.304}},"eclipse_window_40days":[{"offset_days":-5,"type":"solar","occurs":true,"moon_latitude":1.39,"elongation":0.055}]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"07:11","sunsetLocal":"17:48","solarNoonLocal":"12:30","dayLengthHours":10.61734141510221,"dayLengthDisplay":"10 Hours 37 Mins 02 Secs","nightLengthDisplay":"13 Hours 22 Mins 58 Secs","moonriseLocal":"10:59","moonsetLocal":"23:16","rahuKala":{"name":"Rāhu Kāla","start":"11:10","end":"12:30","startHours":11.168032816140386,"endHours":12.495200493028161,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:09","end":"16:29","startHours":15.149535846803714,"endHours":16.47670352369149,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:31","end":"09:50","startHours":8.513697462364831,"endHours":9.840865139252609,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.663909449000904,"endHours":10.017820829504313,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:38","end":"07:55","startHours":7.628919011106315,"endHours":7.91204811550904,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:51","startHours":12.141289112524754,"endHours":12.849111873531568,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:29","startHours":5.770884263463428,"endHours":6.478707024470242,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:11","startHours":6.3017513342185385,"endHours":7.186529785477056,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"14:58","startHours":14.264757395545196,"endHours":14.97258015655201,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:36","end":"18:00","startHours":17.603871200579267,"endHours":18.003871200579265,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:48","end":"18:15","startHours":17.803871200579266,"endHours":18.246260426208526,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:33","end":"19:18","startHours":17.553871200579266,"endHours":19.303871200579266,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:51","startHours":24.141289112524753,"endHours":24.84911187353157,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:11","end":"08:31","startHours":7.186529785477056,"endHours":8.513697462364831,"quality":"neutral"},{"name":"Labha","start":"08:31","end":"09:50","startHours":8.513697462364831,"endHours":9.840865139252609,"quality":"auspicious"},{"name":"Amṛta","start":"09:50","end":"11:10","startHours":9.840865139252609,"endHours":11.168032816140386,"quality":"auspicious"},{"name":"Kāla","start":"11:10","end":"12:30","startHours":11.168032816140386,"endHours":12.495200493028161,"quality":"inauspicious"},{"name":"Śubha","start":"12:30","end":"13:49","startHours":12.495200493028161,"endHours":13.822368169915936,"quality":"auspicious"},{"name":"Roga","start":"13:49","end":"15:09","startHours":13.822368169915936,"endHours":15.149535846803714,"quality":"inauspicious"},{"name":"Udveg","start":"15:09","end":"16:29","startHours":15.149535846803714,"endHours":16.47670352369149,"quality":"inauspicious"},{"name":"Chala","start":"16:29","end":"17:48","startHours":16.47670352369149,"endHours":17.803871200579266,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:48","end":"19:29","startHours":17.803871200579266,"endHours":19.47670352369149,"quality":"inauspicious"},{"name":"Udveg","start":"19:29","end":"21:09","startHours":19.47670352369149,"endHours":21.149535846803715,"quality":"inauspicious"},{"name":"Chala","start":"21:09","end":"22:49","startHours":21.149535846803715,"endHours":22.822368169915936,"quality":"neutral"},{"name":"Labha","start":"22:49","end":"00:30","startHours":22.822368169915936,"endHours":24.49520049302816,"quality":"auspicious"},{"name":"Amṛta","start":"00:30","end":"02:10","startHours":24.49520049302816,"endHours":26.168032816140386,"quality":"auspicious"},{"name":"Kāla","start":"02:10","end":"03:50","startHours":26.168032816140386,"endHours":27.840865139252607,"quality":"inauspicious"},{"name":"Śubha","start":"03:50","end":"05:31","startHours":27.840865139252607,"endHours":29.51369746236483,"quality":"auspicious"},{"name":"Roga","start":"05:31","end":"07:11","startHours":29.51369746236483,"endHours":31.186529785477056,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.186529785477056,"endHours":8.186529785477056,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.186529785477056,"endHours":9.186529785477056,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.186529785477056,"endHours":10.186529785477056,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.186529785477056,"endHours":11.186529785477056,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.186529785477056,"endHours":12.186529785477056,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.186529785477056,"endHours":13.186529785477056,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.186529785477056,"endHours":14.186529785477056,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.186529785477056,"endHours":15.186529785477056,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.186529785477056,"endHours":16.186529785477056,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.186529785477056,"endHours":17.186529785477056,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.186529785477056,"endHours":18.186529785477056,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.186529785477056,"endHours":19.186529785477056,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.186529785477056,"endHours":20.186529785477056,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.186529785477056,"endHours":21.186529785477056,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.186529785477056,"endHours":22.186529785477056,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.186529785477056,"endHours":23.186529785477056,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.186529785477056,"endHours":24.186529785477056,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.186529785477056,"endHours":25.186529785477056,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.186529785477056,"endHours":26.186529785477056,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.186529785477056,"endHours":27.186529785477056,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.186529785477056,"endHours":28.186529785477056,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.186529785477056,"endHours":29.186529785477056,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.186529785477056,"endHours":30.186529785477056,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.186529785477056,"endHours":31.186529785477056,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.72752435607608,"eotMinutes":-10.349229581689698,"ayanamsa":22.7082}},"calendars":{"vikram_samvat":1975,"vikram_samvatsara":"Prajāpati","saka_samvat":1840,"saka_samvatsara":"Kālayukta","bengali_samvat":1325,"malayalam_era":1094,"nanakshahi_year":449,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","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":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Ṣaṣṭhī · Vikram 1975 Prajāpati · Śaka 1840 Kālayukta"},"festivals":[],"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":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 18, 1918 CE · Vṛndāvana · Vidhyamitra","description":"January 18, 1918 CE for Vṛndāvana: Śukla Ṣaṣṭhī, sūryodaya 07:11, sūryāsta 17:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1918-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1918-01-18","sa":"https://sa.vidhyamitra.com/city/vrindavan/1918-01-18","hi":"https://hi.vidhyamitra.com/city/vrindavan/1918-01-18","x-default":"https://vidhyamitra.com/city/vrindavan/1918-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T07:39:28.541Z","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":"2026-06-01T07:39:28.541Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T07:39:28.541Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}